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 sources of magnetic field are

Question # 2

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

Question # 3

Weber is a unit of

Question # 4

Avo-meter is used of measure the

Question # 5

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 6

A current carrying conductor sets up its own:

Question # 7

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

Question # 8

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 9

Which is modified form of galvanometer

Question # 10

Method "lamp and scale arrangement" used to measure the

Question # 11

Current is measured in

Question # 12

The magnetic field outside the solenoid due to current is

Question # 13

Amperean path is a:

Question # 14

The voltage increases linearly with

Question # 15

The SI unit of magnetic flux is.

Question # 16

Strength of magnetic field is measured in SI units, in:

Question # 17

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

Question # 18

The strength of magnetic field around the current conductor is

Question # 19

The most suitable material for permanent magnet is

Question # 20

A field is uniform and much stronger:

Question # 21

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

Question # 22

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

Question # 23

When some compass needles are placed on a card board along a circle with the center at the wire, they will

Question # 24

When current passes through a solenoid coil, it behaves like a

Question # 25

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

Question # 26

A galvanometer is an instrument used to

Question # 27

At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:

Question # 28

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

Question # 29

CRO deflects the beam of

Question # 30

The direction of lines of force depends upon the direction of

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
A. modification
B. voltage
C. current
D. resistance
2 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
3 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
4 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
5 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
6 Magnetic lines of force:
A.

Cannot intersect at all

B.

Intersect at infinity

C.

Intersect within magnet

D.

Intersect at Neutral Point
7 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
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
8 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
9 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
10 'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
A. 0
B. 1
C. 0.5
D. -1

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