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 force experienced by charged particle is maximum, if it moves

Question # 2

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

Question # 3

A shunt resistance parallel to the galvanometer is used to convert it into

Question # 4

The voltage increases linearly with

Question # 5

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

Question # 6

If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is

Question # 7

Avo-meter is used of measure the

Question # 8

The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 9

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 10

A current carrying conductor sets up its own:

Question # 11

The sources of magnetic field are

Question # 12

The angle of deflection of coil can be measured by the

Question # 13

magnetic field is a:

Question # 14

The SI unit of magnetic permeability is

Question # 15

Resistance is measured in

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A resistance used in galvanometer to make it voltmeter is called
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
2 The unit of flux density is also given by
A. Weber/m2or Wb . m-2
B. Weber/mor Wb . m
C. Weber/mor Wb . m-1
D. Weber or Wb
3 The gavanometer constant of a moving coil galvanometer is given by
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
4 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
5 The vector representation of force experience give the direction of
A. magnetic field
B. current
C. length of conductor
D. force
6 Lorentz force is defined as
A. q(E + V x B)
B. q(E x B + V)
C. q(E x V + B)
D. q(E x B)
7 In order to make a voltmeter, high resistance is connected with galvanometer, in
A. perpendicular
B. may be paralled or pendicular
C. series
D. none of these
8 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
9 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
10 The e/m of an electron moving in a circular path in a magnetic field is equal to
A. V/Br
B. V/B2r2
C. V2/Br2
D. V2/Br

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