ECAT Pre Engineering Physics Chapter 14 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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

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Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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Question # 1

The current is measured in

Question # 2

A resistance used in galvanometer to make it voltmeter is called

Question # 3

The unit of magnetic flux is

Question # 4

if the field is directed along the normal to the area, then flux is:

Question # 5

The CRO is used for displaying the waveform of a given

Question # 6

The strength of magnetic field around the current conductor is

Question # 7

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 # 8

The gavanometer constant of a moving coil galvanometer is given by

Question # 9

In the region surrounding a current carrying wire:

Question # 10

The magnetic field inside a solenoid can be increased by:

Question # 11

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

Question # 12

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

Question # 13

Ammeter is used to measure

Question # 14

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

Question # 15

In order to make a voltmeter, high resistance is connected with galvanometer, in

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
2 The galvanometer can be made sensitive if the value of the factor C/BAN is
A. constant
B. small
C. large
D. none of these
3 The force experienced by an electron projected in a magnetic field B with a velocity V is given by
A. F=e(V x B)
B. F= -e(V x B)
C. F= e(B x V)
D. Both a and c
4 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
5 When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is
A. 90°
B. 75°
C. 0°
D. 180°
6 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
7 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
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
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
9 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
10 When charged particle is projected perpendicular to a uniform magnetic field its trajectory is
A. circular
B. elliptical
C. cycloid
D. straight line

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