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

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Question # 2

The sources of magnetic field are

Question # 3

A resistance used in galvanometer to make it voltmeter is called

Question # 4

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

Question # 5

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

Question # 6

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 7

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

Question # 8

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 9

A charged particle moving at right angle to the magnetic field will experience

Question # 10

The gavanometer constant of a moving coil galvanometer is given by

Question # 11

Resistance is measured in

Question # 12

The SI unit of magnetic flux is

Question # 13

The galvanometer can be made sensitive if the value of the factor C/BAN is

Question # 14

The force experienced by charged particle is maximum, if it moves

Question # 15

magnetic field is a:

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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 permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
3 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
4 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
5 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
6 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
7 The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by
A. F=IB/L
B. F= L x B/I
C. F = IL x B
D. F = IL . B
8 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
9 When some compass needles are placed on a card board along a circle with the center at the wire, they will
A.

Point the direction of N-S

B.

Set themselves tangential to the circle

C.

Point in the direction of E-W

D.

None of these
10 A full-scale deflection is obtained in a galvanometer with a current of few
A. ampere
B. volts
C. milliampere
D. ohm

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