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

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

Question # 2

The torque per unit twist of coil is called

Question # 3

The vector representation of force experience give the direction of

Question # 4

The angle of deflection of coil can be measured by the

Question # 5

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

Question # 6

To convert galvanometer into ammeter we connect

Question # 7

The magnetic field outside the solenoid due to current is

Question # 8

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

Question # 9

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

Question # 10

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

Question # 11

A voltmeter is used to measure the

Question # 12

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 # 13

The unit of flux density is also given by

Question # 14

The strength of magnetic field around the current conductor is

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
2 The force experienced by charged particle is maximum, if it moves
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these
3 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
4 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
5 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
6 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these
7 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
8 Which one of the following relations is correct?
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
9 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
10 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

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