ECAT Pre Computer Science Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

Try The MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

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ECAT Physics Chapter 14 Electromagnetism

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Question # 1

The CRO deflects the beam of electrons, when they passes through uniform

Question # 2

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

Question # 3

How many number of anodes used in electron gun

Question # 4

The voltage increases linearly with

Question # 5

In a moving coil galvanometer, the deflecting couple depends upon

Question # 6

The gavanometer constant of a moving coil galvanometer is given by

Question # 7

magnetic field is a:

Question # 8

The CRO is used for displaying the waveform of a given

Question # 9

The most suitable material for permanent magnet is

Question # 10

To convert galvanometer into ammeter we connect

Question # 11

Method "lamp and scale arrangement" used to measure the

Question # 12

A current carrying conductor sets up its own:

Question # 13

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 14

Galvanometer is a device used for the detection of

Question # 15

The field around a moving charge is called

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A galvanometer is an instrument used to
A. measure voltage across a circuit
B. detect current in a circuit
C. measure current flowing through a circuit
D. none of these
2 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
3 The working of galvanometer depends upon torque exerted on a current carrying coil in
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
4 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
5 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
6 A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
7 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
8 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
9 A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
A. minimum
B. maximum
C. zero
D. none of these
10 Flurescent screen is a screen where visible spot
A. vanishes
B. is made
C. becomes small and large
D. none of these

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