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

The permeability of free space is measured in:

Question # 2

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

Question # 3

To convert galvanometer into ammeter we connect

Question # 4

The magnetic field outside the solenoid due to current is

Question # 5

The direction of lines of force depends upon the direction of

Question # 6

When the charged particle is projected at right angles to the field, then experienced by it will be:

Question # 7

The CRO is used for displaying the waveform of a given

Question # 8

Which is modified form of galvanometer

Question # 9

Centripetal force for electron is given by

Question # 10

Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:

Question # 11

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Question # 12

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

Question # 13

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 14

Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:

Question # 15

The SI unit of flux density is

Question # 16

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

Question # 17

Which one of the following relations is correct?

Question # 18

The current is measured in

Question # 19

The angle of deflection of coil can be measured by the

Question # 20

The pointer of a magnetic compass:

Question # 21

The sources of magnetic field are

Question # 22

For the conversion of galvanometer into voltmeter, we connect a

Question # 23

The magnetic field inside a solenoid can be increased by:

Question # 24

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

Question # 25

CRO deflects the beam of

Question # 26

In the region surrounding a current carrying wire:

Question # 27

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

Question # 28

Avo-meter is used of measure the

Question # 29

If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are

Question # 30

The SI unit of magnetic permeability is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
3 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
4 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
5 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
6 When charged particle is projected perpendicular to a uniform magnetic field its trajectory is
A. circular
B. elliptical
C. cycloid
D. straight line
7 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
8 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
9 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
10

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above

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