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 exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by

Question # 2

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

Question # 3

The CRO is used for displaying the waveform of a given

Question # 4

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

Question # 5

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

Question # 6

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 7

Tesla is the unit of

Question # 8

NmA-1 is commonly called:

Question # 9

It is customary represent a current flowing towards the reader by a symbol

Question # 10

if the field is directed along the normal to the area, then flux is:

Question # 11

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 12

The sources of magnetic field are

Question # 13

The working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 14

A voltmeter is used to measure the

Question # 15

The voltage increases linearly with

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
3 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
4 'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
A. 0
B. 1
C. 0.5
D. -1
5 In the expression of force experienced by electron, the direction of both v and B are
A. parallel
B. zero
C. perpendicular
D. none of them
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
A. F = B2
B. F = 0
C. F = B
D. F = B/2
7 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
8 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
9 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
10 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six

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