# What is the direction of the electric field?

What is the direction of the electric field?

Electric   field    is  at   right angle   widh  flow  of  current  (right  hand   rule).

## Related questions

Description : What is the direction of the induced electric field?

Answer : It  is  in  opposite  direction   to  the  one  that   produced  it.

Description : 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

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

Description : What is the direction of flow of electric current in an electric circuit?

Answer : It  flows  from  anode  to  cathode  (direction  of   holes  flow)

Description : Briefly describe the electric field of a static charge.

Description : The ability of materials to become polarized under an applied electric field is called _______ A) Ferroelectricity B) Paraelectricity C) Polectricity D) None of these

Answer : The ability of materials to become polarized under an applied electric field is called Paraelectricity

Description : The electric field inside a hollow conducting sphere ________ A) Depends on the diameter of the sphere  B) Varies according to the direction of earth’s magnetic poles C) Is zero  D) None of these

Answer : The electric field inside a hollow conducting sphere Is zero

Description : Is electric potential zero when electric field is zero?

Answer : Yes  .If  electric  field  is  zero  then  electric  potential  is  zero  ,  not  even  one.

Description : Can the electric field between two positive charges be zero?

Answer : It  can  only  if  they  have  equal  charges.

Description : MOSFET uses the electric field of?

Answer : MOSFET uses the electric field of gate capacitance.

Description : An electric motor in which both stator field and rotor rotates with same speed is called?

Answer : An electric motor in which both stator field and rotor rotates with same speed is called synchronous motor.

Description : How can a magnetic field be used to generate an electric current?

Answer : Magnetic  field  can  be  used  to  generate  electric  current  on  a  condition  that  it  is  on  a  rate  of  changing  magnetic  flux.  (Faraday's  law)

Description : Which of the following laws relates the magnetic field to the magnitude, direction, length, and proximity of the electric current? A) Lenz’s law B) Faraday’s law C) Biot–Savart law D) None of these

Answer : Which of the following laws relates the magnetic field to the magnitude, direction, length, and proximity of the electric current? A) Lenz’s law B) Faraday’s law C) Biot–Savart law D) None of these

Description : What happens when you reverse the direction of the current in an electromagnet?

Answer : When  you  reverse  current  direction  in  an  electromagnet,  the magnetic  poles  will  also  change.

Description : What is the direction of an AC current?

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.

Description : What is the direction of the induced current?

Description : What is the direction of flow of current?

Answer : Current  flows  from  anode  to  cathode(opposite  direction  to  flow of  electrons)

Description : What is the direction of the flow of electrons?

Answer : Electrons  flow    cathode   to   anode  or  in   an  oposite  direction  of   convection  current  flow  or  holes.

Description : What is the direction of the conventional current flow?

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.

Description : In a single-phase induction motor, the operating direction is determined by the ________ A) Rotor B) Stator C) Starting circuit D) None of these

Answer : In a single-phase induction motor, the operating direction is determined by the Starting circuit

Description : How does AC current change direction?

Answer : This  is  because  the  angle  at  which  the   magnetic  fields  cuts  across  a  winding  changes  its  poles  thus  current  has  to  change  dirention  .

Description : why current flows in opposite direction of electrons?

Answer : Hi team, the current flow is nothing but flow of electrons But the conventional direction I'd opposite to actual current flow . ..

Answer : Yes DIAC can conduct in both direction.

Description : What is the direction of flow when charging a capacitor?

Description : What arc the errors occurring in measuring devices due to stray magnetic field and temp '? Explain how to compensate them.

Answer : 1. Error due to stray magnetic fields-   Main magnetic field gets disturbed by external magnetic fields known as stray magnetic fields.  2. Compensation technique   To avoid this error, ... resistance alloy having a negligible resistance temp coefficient in the ratio of 1:10 for pressure coil

Description : 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

Answer : The direction of rotation of an inverter fed 3-phase ac motor is reversed by changing the sequence of switching

Description : Two non-collinear parallel equal forces acting in opposite direction?

Answer : Two non-collinear parallel equal forces acting in opposite direction constitute a couple.

Answer : The direction of rotation of a D.C. series motor can be changed by interchanging field terminals.

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.

Answer : In case of a shaded pole motor the direction of rotation of the motor is from main pole to shaded pole.

Answer : Direction of rotation of a split phase motor can be reversed by reversing the connection of either running winding or starting winding.

Answer : The direction of rotation of an hysteresis motor is determined by position of shaded pole with respect to main pole.

Answer : In repulsion motor direction of rotation of motor is the same as that of brush shift.

Description : How can we reverse the direction of rotation of synchronous motor?

Answer : By reversing supply phase sequence we can reverse the direction of rotation of synchronous motor.

Description :  Field intensity formula

Description : Energy stored in electrostatic field of capacitance formula

Answer : Energy stored in electrostatic field of capacitance formula

Description : Define junction field effect transistor (JFET) and give an example.

Answer : Junction Field-Effect Transistor: It is a semiconductor device having three terminals, namely Gate, Drain and Source, in which the current flow is controlled by an electric field set up by an external voltage applied ... : i) n-channel JFET and ii) p-channel JFET Examples of JFET: BFW 10, BFW 11

Description : Derive an expression for energy stored in a magnetic field .

Answer : Expression for energy stored in a magnetic field: The energy is stored in magnetic field when current increases and return back when the current decreases. At instant t' seconds after closer of switch ... energy absorbed by the magnetic field when current increases from 0 to I amperes

Description : Give the relation between magnetic field strength, magnetic flux density and permeability.

Description : Define magnetic field strength and state its unit.

Answer : Magnetic field strength is the force experienced by a unit N-pole when placed at any point in a magnetic field is known as magnetic field strength or magnetizing force. Magnetising force or magnetic field ... unit of length is metre. So the unit of magnetic field strength is ampere turns per metre.

Description : What do you mean by electromagnetic field?

Description : Why does the magnetic field flow from north to south?

Description : State advantages of rotating field type alternators.

Answer : Advantages of Rotating Field Type Alternator: 1) For high-voltage alternator, large space is required to accommodate conductors with insulation, as high voltage is induced in them. If field poles are placed ... is kept rotating. 8) Rotating field is comparatively light and can run with high speed.

Description : A magnetic circuit has effective iron length of 100 cm and it is wound with 800 turns of wire carries 1 A. Find the magnetic field strength.

Description : Which of the following statements is not characteristic of a static magnetic field? (A) It is solenoidal. (B) It is conservative. (C) It has no sinks or sources. (D) Flux lines are always closed.

Answer : Which of the following statements is not characteristic of a static magnetic field? (A) It is solenoidal. (B) It is conservative. (C) It has no sinks or sources. (D) Flux lines are always closed.

Description : It is possible to increase the field flux and, at the same time, increase the speed of a d.c. motor provided its .......... is held constant.

Answer : It is possible to increase the field flux and, at the same time, increase the speed of a d.c. motor provided its armature current is held constant.

Description : A field of force can exist only between?

Answer : A field of force can exist only between two ions.

Answer : To avoid the effect of stray magnetic field in A.C. bridges we can use magnetic screening.

Answer : A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 Hz.

Answer : Flashing the field of D.C. generator means creating residual magnetism by a D.C. source.

Answer : Magnetic field in a D.C. generator is produced by electromagnets.

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