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Do electrons flow from the anode to the cathode?
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asked
Mar 14, 2018
by
anonymous
Do electrons flow from the anode to the cathode?
electrons
flow
anode
cathode
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2
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answered
Aug 7, 2018
by
gabriel orina
No, electrons flow from cathode to anode.
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answered
Mar 21, 2019
by
anonymous
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.
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asked
Mar 14, 2018
by
anonymous
What is the difference between an anode and a cathode?
What is the difference between an anode and a cathode?
Last answer:
The anode is positively charged electrode and the cathode is negatively charged electrode.
difference
between
anode
cathode
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1
answer
asked
Dec 9, 2017
by
anonymous
Which is the positive terminal anode or cathode?
Which is the positive terminal anode or cathode?
Last answer:
Anode is positive terminal and cathode is negative terminal.
cathode
anode
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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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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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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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answers
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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1
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asked
Dec 9, 2017
by
anonymous
Is the anode or cathode longer in LED ?
Is the anode or cathode longer in LED ?
Last answer:
In LED anode terminal is longer and cathode terminal is smaller.
anode
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asked
Mar 14, 2018
by
anonymous
What is the movement of electrons from atom to atom is called?
What is the movement of electrons from atom to atom is called?
movement
electrons
atom
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asked
Mar 14, 2018
by
anonymous
Is an anode positive or negative?
Is an anode positive or negative?
Last answer:
The anode is positively charged electrode.
anode
positive
negative
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asked
Mar 6, 2018
by
anonymous
SCR turned off when the anode current falls below?
Last answer:
SCR turned off when the anode current falls below holding current.
scr
turned
off
anode
current
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answer
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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answers
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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1
answer
asked
May 17, 2018
by
anonymous
It is an unidirectional device that blocks the current flow from cathode to anode
It is an unidirectional device that blocks the current flow from cathode to anode (A) SCR (B) PCR (C) VCR (D) DCR
Last answer:
It is an unidirectional device that blocks the current flow from cathode to anode SCR
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asked
May 1, 2018
by
anonymous
The time base signal in Cathode Ray Oscilloscope (CRO) is
The time base signal in Cathode Ray Oscilloscope (CRO) is (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal
Last answer:
2 Saw tooth
time
base
signal
cathode
ray
oscilloscope
cro
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2
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asked
Apr 29, 2018
by
anonymous
Which of the following is a cold cathode lamp ?
Which of the following is a cold cathode lamp ? (A) Mercury vapour lamp (C) Incandescent lamp (B) Sodium vapour lamp (D) Neon lamp
Last answer:
Which of the following is a cold cathode lamp ? (A) Mercury vapour lamp (C) Incandescent lamp (B) Sodium vapour lamp (D) Neon lamp
cold
cathode
lamp
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1
answer
asked
Oct 13, 2019
by
anonymous
Draw full bridge & half bridge configuration with common cathode.
Draw full bridge & half bridge configuration with common cathode.
Last answer:
Half Bridge Configuration: Full Bridge Configuration:
full
bridge
half
configuration
common
cathode
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asked
Nov 11, 2017
by
anonymous
What is Cathode ray tube ?
What is Cathode ray tube ?
Last answer:
Cathode ray tube (CRT) is a vacuum tube using cathode rays to generate a picture on a fluorescent screen. These cathode rays are in fact the electron beam deflected and modulated, which impinges on a ... tube used to display data in a visual form. Picture tube of a television or computer terminal.
cathode
ray
tube
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3
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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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answers
asked
Mar 9, 2018
by
anonymous
What are the number of valence electrons of atoms in semiconductor?
What are the number of valence electrons of atoms in semiconductor?
Last answer:
There are four valence electrons in the atom of a semiconductor.
number
valence
electrons
atoms
semiconductor
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1
answer
asked
Jul 1, 2019
by
anonymous
Which have more free electrons: conductors or insulators?
Which have more free electrons: conductors or insulators?
Last answer:
Conductors have many free electrons whereas insulators have very few or none at all.
which
have
more
free
electrons
conductors
or
insulators
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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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1
answer
asked
Mar 25, 2018
by
anonymous
The number of electrons in the outer most orbit of carbon atom is?
The number of electrons in the outer most orbit of carbon atom is?
Last answer:
The number of electrons in the outer most orbit of carbon atom is 4.
number
electrons
orbit
carbon
atom
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69
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1
answer
asked
Mar 25, 2018
by
anonymous
The substances which have a large number of free electrons and offer a low resistance are called?
The substances which have a large number of free electrons and offer a low resistance are called?
Last answer:
The substances which have a large number of free electrons and offer a low resistance are called conductors.
electrons
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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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75
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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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1
answer
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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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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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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92
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1
answer
asked
Mar 14, 2018
by
anonymous
What is the direction of flow of current?
What is the direction of flow of current?
Last answer:
Current flows from anode to cathode(opposite direction to flow of electrons)
direction
flow
current
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70
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1
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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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1
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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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1
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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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1
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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
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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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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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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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51
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2
answers
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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409
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1
answer
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
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1
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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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59
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1
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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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105
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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 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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69
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0
answers
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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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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1
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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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views
2
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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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82
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1
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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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78
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1
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asked
Apr 10, 2018
by
anonymous
When cathode is positive with respect to anode in an SCR, the number of blocked p-n junctions is
When cathode is positive with respect to anode in an SCR, the number of blocked p-n junctions is (a) 1 (b) 2 (c) 3 (d) 4
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3 days
ago
by
anonymous
When a spoon is to be electroplated with nickel the spoon is (1) dipped in a nickel sulphate solution (2) made anode and a pure nickel rod, the cathode (3) made cathode and a pure nickel red, the anode (4) coated with nickel sulphate and dried
When a spoon is to be electroplated with nickel the spoon is (1) dipped in a nickel sulphate solution (2) made anode and a pure nickel rod, the cathode (3) made cathode and a pure nickel red, the anode (4) coated with nickel sulphate and dried
Last answer:
made cathode and a pure nickel red, the anode
chemistry
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3 days
ago
by
anonymous
Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at cathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.
Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at cathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.
Last answer:
Copper at cathode and oxygen at anode.
chemistry
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