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

A voltmeter is used to measure the

Question # 2

For the conversion of galvanometer into voltmeter, we connect a

Question # 3

The permeability of free space is measured in:

Question # 4

Which one of the following relations is correct?

Question # 5

The SI unit of magnetic induction is tesla which is equal to

Question # 6

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

Question # 7

In the expression of force experienced by electron, the direction of both v and B are

Question # 8

The angle of deflection of coil can be measured by the

Question # 9

A beam of electrons is provided by an

Question # 10

Tesla is the unit of

Question # 11

The magnetic field inside a solenoid can be increased by:

Question # 12

The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon

Question # 13

In a moving coil galvanometer, the deflecting couple depends upon

Question # 14

Magnetic flux and flux density are related by

Question # 15

The sources of magnetic field are

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
2 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
3 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
4 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
5 A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
A. minimum
B. maximum
C. zero
D. none of these
6 A current carrying conductor sets up its own:
A.

Electric field

B.

Nuclear field

C.

Magnetic field

D.

Both (A) and (C)
7 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
8 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
9 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)
10 In the formula B= µ̻ nl, the symbol n denotes:
A.

Total number of turns of solenoid

B.

Number of turns per unit length

C.

Number of turns per unit volume

D.

Numbers of turns per unit area

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