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

A field is uniform and much stronger:

Question # 3

The SI unit of magnetic induction is

Question # 4

A resistance used in voltmeter is called

Question # 5

Resistance is measured in

Question # 6

The field around a moving charge is called

Question # 7

Current is measured in

Question # 8

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 # 9

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

Question # 10

The e/m of an electron moving in a circular path in a magnetic field is equal to

Question # 11

The permeability of free space is measured in:

Question # 12

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

Question # 13

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 14

Flurescent screen is a screen where visible spot

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
A. Maximum
B. Minimum
C. Zero
D. Very small
3 The SI unit of magnetic induction is tesla which is equal to
A. Newton/ampere-meter or N/A-m
B. Newton/ampere2-meter or N/A2-m
C. Newton/ampere2-meter2 or N/A2-m2
D. Newton/ampere2-meter2or N/A2-m2
4 When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
A. changed
B. zero
C. unchanged
D. none of these
5 The most suitable material for permanent magnet is
A. cobalt
B. iron
C. steel
D. alaminium
6 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
7 A relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
8 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
9 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
10 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

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