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 gavanometer constant of a moving coil galvanometer is given by

Question # 2

CRO deflects the beam of

Question # 3

Tesla is the unit of

Question # 4

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 5

Ammeter is used to measure

Question # 6

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 7

The current is measured in

Question # 8

The force acting on a charge moving in a magnetic field

Question # 9

Method "lamp and scale arrangement" used to measure the

Question # 10

The SI unit of flux density is

Question # 11

The direction of lines of force depends upon the direction of

Question # 12

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 13

At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:

Question # 14

A field is uniform and much stronger:

Question # 15

The SI unit of magnetic induction is

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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 magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
A. Zero
B. 105 m
C. 10-10N
D. 108N
3 The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of
A. ammeter
B. voltmeter
C. galvanometer
D. avo-meter
4 Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
A. BACosѲ

B. Zero
C. BA
D. BA sinѲ
5 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
6 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
7 The galvanometer can be made sensitive if the value of the factor C/BAN is
A. constant
B. small
C. large
D. none of these
8

The pointer of a magnetic compass:
A.

Is affected only by permanent magnets

B.

Align itself parallel to the applied magnetic field

C.

Vibrates in the magnetic field of the current

D.

Aligns itself perpendicular to the magnetic field
9 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
10 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A

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