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What is the direction of flow of current?
asked
Mar 14, 2018
by
anonymous
What is the direction of flow of current?
direction
flow
current
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1
Answer
answered
Aug 7, 2018
by
gabriel orina
Current flows from anode to cathode(opposite direction to flow of electrons)
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asked
Mar 14, 2018
by
anonymous
What is the direction of the conventional current flow?
What is the direction of the conventional current flow?
Last answer:
The conventional current flow in opposite direction of flow of electrons. The electrons flow from negative terminal of battery to positive terminal of battery. And conventional current flow from positive terminal of battery to negative terminal of battery.
direction
conventional
current
flow
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asked
Mar 14, 2018
by
anonymous
What is the direction of flow of electric current in an electric circuit?
What is the direction of flow of electric current in an electric circuit?
Last answer:
It flows from anode to cathode (direction of holes flow)
direction
flow
electric
current
circuit
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144
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1
answer
asked
Mar 14, 2018
by
anonymous
What is the direction of the flow of electrons?
What is the direction of the flow of electrons?
Last answer:
Electrons flow cathode to anode or in an oposite direction of convection current flow or holes.
direction
flow
electrons
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89
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1
answer
asked
Mar 15, 2018
by
anonymous
What is the direction of flow when charging a capacitor?
What is the direction of flow when charging a capacitor?
direction
flow
charging
capacitor
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60
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0
answers
asked
Mar 14, 2018
by
anonymous
What is the direction of an AC current?
What is the direction of an AC current?
Last answer:
The magnitude and direction of alternating current is changes with respect to time. So for half cycle it is positive and for next half cycle it is negative.
direction
ac
current
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2
answers
asked
Mar 14, 2018
by
anonymous
What is the direction of the induced current?
What is the direction of the induced current?
direction
induced
current
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0
answers
asked
Mar 14, 2018
by
anonymous
What happens when you reverse the direction of the current in an electromagnet?
What happens when you reverse the direction of the current in an electromagnet?
Last answer:
When you reverse current direction in an electromagnet, the magnetic poles will also change.
reverse
direction
current
electromagnet
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78
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1
answer
asked
Oct 3, 2017
by
anonymous
why current flows in opposite direction of electrons ?
why current flows in opposite direction of electrons?
Last answer:
Hi team, the current flow is nothing but flow of electrons But the conventional direction I'd opposite to actual current flow . ..
current
flows
opposite
direction
electrons
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89
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1
answer
asked
Apr 29, 2018
by
anonymous
The current flow in a battery is due to ______
The current flow in a battery is due to ______ A) movement of ions B) movement of protons C) movement of holes D) movement of neutrons
Last answer:
The current flow in a battery is due to movement of ions
current
flow
battery
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74
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1
answer
asked
Mar 14, 2018
by
anonymous
How does AC current change direction?
How does AC current change direction?
Last answer:
This is because the angle at which the magnetic fields cuts across a winding changes its poles thus current has to change dirention .
ac
current
change
direction
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1
answer
asked
Mar 25, 2018
by
anonymous
Inductance affects the direct current flow?
Inductance affects the direct current flow?
Last answer:
Inductance affects the direct current flow at the time of turning on and off.
inductance
affects
direct
current
flow
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1
answer
asked
Aug 25, 2019
by
anonymous
Does current flow through a capacitor ?
Does current flow through a capacitor ?
Last answer:
Imagine a pipe with a flexible diaphram in the middle separating two haves of the pipe. Now the pipe is filled with air. If you apply a pressure to one end the diaphram will deform ... capacitor, the effects on electrons will be recreated across the boundary. But theres no electrical connection...
current
capacitor
flow
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79
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1
answer
asked
Apr 28, 2018
by
anonymous
Precise control of reactive current flow entering the transmission and distribution systems can be minimized
Precise control of reactive current flow entering the transmission and distribution systems can be minimized by using (A) synchronous condenser (B) static VAR capacitor (C) capacitor bank (D) thyristor switched reactor in parallel with capacitor
Last answer:
Precise control of reactive current flow entering the transmission and distribution systems can be minimized by using (A) synchronous condenser (B) static VAR capacitor (C) capacitor bank (D) thyristor switched reactor in parallel with capacitor
precise
control
reactive
current
flow
transmission
distribution
systems
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102
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1
answer
asked
Mar 20, 2018
by
anonymous
The direction of rotation of universal motor can be reversed the by reversing the flow of current through?
Last answer:
The direction of rotation of universal motor can be reversed the by reversing the flow of current through either armature winding or field winding.
direction
rotation
universal
motor
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103
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1
answer
asked
Mar 14, 2018
by
anonymous
What is the direction of the induced electric field?
What is the direction of the induced electric field?
Last answer:
It is in opposite direction to the one that produced it.
direction
induced
electric
field
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46
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1
answer
asked
Mar 14, 2018
by
anonymous
What is the direction of the electric field?
What is the direction of the electric field?
Last answer:
Electric field is at right angle widh flow of current (right hand rule).
direction
electric
field
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99
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1
answer
asked
Mar 14, 2018
by
anonymous
What is the flow of electrons from one atom to another called?
What is the flow of electrons from one atom to another called?
Last answer:
Electric current
flow
electrons
atom
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96
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1
answer
asked
Mar 14, 2018
by
anonymous
What are ways we can measure the flow of electrons?
What are ways we can measure the flow of electrons?
measure
flow
electrons
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101
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0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of signal flow graph?
What is the use of signal flow graph?
use
signal
flow
graph
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67
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0
answers
asked
Apr 29, 2018
by
anonymous
In a single-phase induction motor, the operating direction is determined by the ________
In a single-phase induction motor, the operating direction is determined by the ________ A) Rotor B) Stator C) Starting circuit D) None of these
Last answer:
In a single-phase induction motor, the operating direction is determined by the Starting circuit
single-phase
induction
motor
operating
direction
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78
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1
answer
asked
Apr 28, 2018
by
anonymous
The direction of rotation of an inverter fed 3-phase ac motor is reversed by
The direction of rotation of an inverter fed 3-phase ac motor is reversed by (A) a mechanical reversing switch (B) reversing the input dc link voltage (C) operating the inverter as a rectifier (D) changing the sequence of switching
Last answer:
The direction of rotation of an inverter fed 3-phase ac motor is reversed by changing the sequence of switching
direction
rotation
inverter
fed
3-phase
ac
motor
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116
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1
answer
asked
Mar 20, 2018
by
anonymous
In case of a shaded pole motor the direction of rotation of the motor is?
Last answer:
In case of a shaded pole motor the direction of rotation of the motor is from main pole to shaded pole.
shaded
pole
motor
direction
rotation
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106
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1
answer
asked
Mar 20, 2018
by
anonymous
The direction of rotation of an hysteresis motor is determined by?
Last answer:
The direction of rotation of an hysteresis motor is determined by position of shaded pole with respect to main pole.
direction
rotation
hysteresis
motor
determined
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130
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1
answer
asked
Apr 26, 2018
by
anonymous
lf the wire which is vertical to this page has electron flow downwards the conductor will have
lf the wire which is vertical to this page has electron flow downwards the conductor will have
Last answer:
lf the wire which is vertical to this page has electron flow downwards the conductor will have a counter-clockwise field in the plane of the paper
wire
vertical
page
electron
flow
downwards
conductor
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140
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1
answer
asked
Sep 20, 2017
by
anonymous
can a DIAC conduct in both direction?
Last answer:
Yes DIAC can conduct in both direction.
diac
conduct
direction
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50
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1
answer
asked
May 1, 2018
by
anonymous
In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation,
In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as (1) synchronous motor (2) synchronous generator (3) asynchronous motor (4) asynchronous generator
Last answer:
In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as synchronous generator
synchronous
machine
field
flux
axis
armature
direction
rotation
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311
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1
answer
asked
Mar 20, 2018
by
anonymous
The direction of rotation of a D.C. series motor can be changed by?
Last answer:
The direction of rotation of a D.C. series motor can be changed by interchanging field terminals.
direction
rotation
dc
series
motor
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75
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1
answer
asked
Mar 20, 2018
by
anonymous
Direction of rotation of a split phase motor can be reversed by reversing the connection of?
Last answer:
Direction of rotation of a split phase motor can be reversed by reversing the connection of either running winding or starting winding.
direction
rotation
split
phase
motor
reversed
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139
views
1
answer
asked
Mar 18, 2018
by
anonymous
How can we reverse the direction of rotation of synchronous motor?
How can we reverse the direction of rotation of synchronous motor?
Last answer:
By reversing supply phase sequence we can reverse the direction of rotation of synchronous motor.
reverse
direction
rotation
synchronous
motor
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183
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1
answer
asked
Aug 5, 2019
by
anonymous
State advantages & disadvantages of electromagnetic flow meter.
State advantages & disadvantages of electromagnetic flow meter.
Last answer:
Advantage: Provides wide linear range. 2) Ability to measure reverses flow. 3) Gives rapid response to flow changes. 4) No obstruction is created to flow. 5) It can handle corrosive as ... and pipe networks with relatively short inside diameters. 3) It is useful for electrically conducting fluid.
advantages
disadvantages
electromagnetic
flow
meter
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1
answer
asked
Sep 8, 2018
by
anonymous
Describe principle of operation of Doppler type ultrasonic flow meter with diagram.
Describe principle of operation of Doppler type ultrasonic flow meter with diagram.
Last answer:
Diagram: Working: The flow meter consists of a crystal transducer mounted outside the pipe in which flow is to be measured. This transducer is a piezoelectric crystal which ... , so the frequency of the reflected wave is shifted to particle velocity, according to Doppler principle.
principle
operation
doppler
type
ultrasonic
flow
meter
diagram
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92
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1
answer
asked
Mar 14, 2018
by
anonymous
Do electrons flow from the anode to the cathode?
Do electrons flow from the anode to the cathode?
Last answer:
electrons flow from cathode to anode because the electron has a negative charge and repels from the negatively charged cathode whilst also attracting to the positively charged anode.
electrons
flow
anode
cathode
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163
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2
answers
asked
Mar 20, 2018
by
anonymous
In repulsion motor direction of rotation of motor?
Last answer:
In repulsion motor direction of rotation of motor is the same as that of brush shift.
repulsion
motor
direction
rotation
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81
views
1
answer
asked
Aug 5, 2019
by
anonymous
Compare variable head flow meter with variable area flow meter.
Compare variable head flow meter with variable area flow meter.
Last answer:
Parameter Variable head flowmeter Variable area flowmeter Working principle Restriction or obstacle is placed in the path of flow to create a differential Pressure. The pressure ... viscous fluid slurries and dirty fluids. In laboratories and testing and production lines.
variable
head
flow
meter
area
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60
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1
answer
asked
Sep 8, 2018
by
anonymous
Define laminar flow and turbulent flow.
Define laminar flow and turbulent flow.
Last answer:
Laminar flow : When a fluid flowing through the pipe at different speeds (fast at center and slow at edges), and the fluid particles move in layers with one layer sliding over the adjacent ... successive cross sections, then this flow is called as turbulent flow. Reynolds no is greater than 4000
define
laminar
flow
turbulent
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48
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2
answers
asked
Sep 7, 2018
by
anonymous
Classify hydro-electric power plants according to water flow regulation and explain in brief.
Classify hydro-electric power plants according to water flow regulation and explain in brief.
Last answer:
Classification of hydro-electric power plants according to water flow regulation of water flow:- 1. Large reservoir power plant 2. Run-off river (ROR) power plant with poundage 3. Run-off River ... depends upon rate of flow of water Initial cost is less Its purpose is to generate electricity.
hydro-electric
power
plants
according
water
flow
regulation
brief
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51
views
1
answer
asked
May 1, 2018
by
anonymous
Load flow studies involve solving simultaneous
Load flow studies involve solving simultaneous (1) linear algebraic equations. (3) linear differential equations. (2) non-linear algebraic equations. (4) non-linear differential equations.
Last answer:
Load flow studies involve solving simultaneous non-linear algebraic equations.
load
flow
studies
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405
views
1
answer
asked
Mar 14, 2018
by
anonymous
Which way do electrons flow in an electrochemical cell?
Which way do electrons flow in an electrochemical cell?
electrons
flow
electrochemical
cell
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50
views
0
answers
asked
Mar 14, 2018
by
anonymous
Why does charge flow from positive to negative?
Why does charge flow from positive to negative?
charge
flow
positive
negative
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60
views
0
answers
asked
Apr 28, 2018
by
anonymous
The device which allows reverse power flow and withstands highest switch frequency is
The device which allows reverse power flow and withstands highest switch frequency is (A) GTO (B) MOSFET (C) IGBT (D) Inverter grade SCR
Last answer:
The device which allows reverse power flow and withstands highest switch frequency is MOSFET
device
reverse
power
flow
highest
switch
frequency
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60
views
1
answer
asked
Mar 22, 2018
by
anonymous
Two non-collinear parallel equal forces acting in opposite direction?
Two non-collinear parallel equal forces acting in opposite direction?
Last answer:
Two non-collinear parallel equal forces acting in opposite direction constitute a couple.
non-collinear
parallel
forces
opposite
direction
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83
views
1
answer
asked
May 8, 2018
by
anonymous
In load flow Study, a PV bus is treated as a PQ bus when
In load flow Study, a PV bus is treated as a PQ bus when
Last answer:
Voltage at the bus becomes high
load
flow
study
pv
pq
bus
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2.5k
views
2
answers
asked
Apr 28, 2018
by
anonymous
A Unified Power Flow Controller (FACTS controller) is a voltage source converter based
A Unified Power Flow Controller (FACTS controller) is a voltage source converter based (A) Inter-phase power controller (B) Static Compensator (C) Combination of series and shunt compensators (D) Solid-state series compensator
Last answer:
A Unified Power Flow Controller (FACTS controller) is a voltage source converter based Combination of series and shunt compensators
unified
power
flow
controller
facts
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81
views
1
answer
asked
Apr 26, 2018
by
anonymous
Liquid flow rate is measured using
Liquid flow rate is measured using (A) a pirani gauge (B) a pyrometer (C) an orifice plate (D) a bourdon tube
Last answer:
Liquid flow rate is measured using an orifice plate
liquid
flow
rate
measured
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73
views
1
answer
asked
May 27, 2020
by
anonymous
Why does the magnetic field flow from north to south?
Why does the magnetic field flow from north to south?
magnetic
field
flow
north
south
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30
views
0
answers
asked
Apr 28, 2018
by
anonymous
The power flow problem mathematical model for a linear transmission network
The power flow problem mathematical model for a linear transmission network (A) is non-linear (B) is linear (C) considers time variation of generation (D) does not consider tap-changing transformers
Last answer:
The power flow problem mathematical model for a linear transmission network is non-linear
power
flow
problem
mathematical
model
linear
transmission
network
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57
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1
answer
asked
Jan 2
by
anonymous
Axial flow compressor
Axial flow compressor
Last answer:
Axial flow compressor : Working Principle: As the fluid enters and leaves in the axial direction, the centrifugal component in the energy equation does not come into play. Here the compression is fully ... the absolute velocity of the fluid and the stator converts this into pressure rise.
axial
flow
compressor
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13
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1
answer
asked
Jun 26, 2020
by
anonymous
Draw venture meter and write steps to measure flow rate.
Draw venture meter and write steps to measure flow rate.
Last answer:
Venturi meter consists of three sections that is converging section, throat section and diverging section. The flow is introduced to the meter through the inlet with diameter D' . The inclined angle ... to 15o . Flow rate is proportional to the square root of the differential pressure.
venture
meter
measure
flow
rate
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26
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1
answer
asked
Jun 26, 2020
by
anonymous
List variable flow meter.
List variable flow meter.
Last answer:
1. Variable area : Rotameter 2. Variable head : a) Venturi b) Orifice c) Pitot tube d) Nozzle
list
variable
flow
meter
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19
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1
answer
asked
Mar 10, 2018
by
anonymous
Why do you need a closed circuit for electricity to flow?
Why do you need a closed circuit for electricity to flow?
Last answer:
When the circuit is closed , a potential diffrence is realized between the two nodes connected .This causes flow of electrons and convection current.
closed
circuit
electricity
flow
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125
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1
answer
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