ECAT Pre General Science Physics Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism

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ECAT Pre General Science Physics Chapter 14 Electromagnetism

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Question # 1

A galvanometer is an instrument used to

Question # 2

The SI unit of magnetic permeability is

Question # 3

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

Question # 4

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Which one of the following relations is correct?

Question # 9

Amperean path is a:

Question # 10

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

Question # 11

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 12

Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:

Question # 13

Weber is a unit of

Question # 14

A resistance used in galvanometer to make it voltmeter is called

Question # 15

Method "lamp and scale arrangement" used to measure the

Question # 16

The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 17

A voltmeter is used to measure the

Question # 18

The angle of deflection of coil can be measured by the

Question # 19

The current sensitivity of the galvanometer is

Question # 20

The most suitable material for permanent magnet is

Question # 21

The field around a moving charge is called

Question # 22

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 23

Resistance is measured in

Question # 24

The SI unit of flux density is

Question # 25

magnetic field is a:

Question # 26

For the conversion of galvanometer into voltmeter, we connect a

Question # 27

Magnetic flux and flux density are related by

Question # 28

Magnetic induction is also called as:

Question # 29

A solenoid is a coil of wire which is:

Question # 30

The permeability of free space is measured in:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed
A. parallel to the field
B. Perpendicular to the field
C. At an angle of 45 to the field
D. None of the above
2 The magnetic field inside a solenoid can be increased by:
A. Increasing n
B. Decreasing I
C. Increasing I
D. By using iron core within solenoid
3 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
4 For the conversion of galvanometer into voltmeter, we connect a
A. small resistance in series with galvanometer
B. small resistance in parallel with galvanometer
C. high resistance in parallel with galvanometer
D. high resistance series with galvanometer
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 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:
A. Becomes Half
B. Becomes double
C. Is not affected
D. Becomes one fourth
7 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
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 force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by
A. F =q(v/B)
B. F=q2(v x B)
C. F=q(v x B)
D. F= vx B
10 Magnetic flux and flux density are related by
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these

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