Electromagnetism mcqs

Electromagnetism mcqs

  1. spots are formed on screen having ,In cathode ray oscilloscope by…
  2. anode
  3. cathode
  4. matrix
  5. grid

Answer - Click Here:
D

  1. Quantity that is not affected by magnetic field …
  2. moving charge
  3. change in magnetic flux
  4. current flowing in conductor
  5. stationary charge

Answer - Click Here:
D

  1. Device used to measure potential difference between two points in volts called…
  2. ohmmeter
  3. odometer
  4. ammeter
  5. voltmeter

Answer - Click Here:
D

  1. When a charged particle moves at right angle to a magnetic field quantity that changes called…
  2. momentum
  3. speed
  4. energy
  5. moment of inertia

Answer - Click Here:
A

  1. Cathode ray oscilloscope displays graph of waveforms based on which of the following…
  2. current
  3. temperature
  4. potential difference
  5. voltage

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D

  1. Magnetic field inside of a solenoid is…
  2. zero
  3. weak
  4. uniform
  5. non-uniform

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C

  1. Magnetic field is set up in a region of having current carrying
  2. rod
  3. wire
  4. blog
  5. plate

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B

  1.  Electric instrument used to measure current in amperes is known as
  2. odometer
  3. voltmeter
  4. ohm meter
  5. ammeter

Answer - Click Here:
D

  1. When an electron is projected at right angle to uniform magnetic field then it will move along through.
  2. helical path
  3. circle
  4. straight line
  5. cube

Answer - Click Here:
B

  1. Moving charge experiences magnetic force because of ….
  2. magnetic flux
  3. magnetic field
  4. magnetic current
  5. none of above.

Answer - Click Here:
B

  1. In moving coil galvanometer, pole faces of U-shaped magnet are made concave wave…
  2. to make the field radial
  3. to increase the field
  4. to weaken field
  5. both a and b

Answer - Click Here:
A

  1. In moving coil galvanometer, a soft iron cylinder is placed inside coil …
  2. to make zero field
  3. to make stronger field
  4. to make galvanometer heavier
  5. both a and b

Answer - Click Here:
B