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

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 2

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

Question # 3

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

Question # 4

The sources of magnetic field are

Question # 5

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

Question # 6

Amperean path is a:

Question # 7

The SI unit of flux density is

Question # 8

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

Question # 9

The magnetic field outside the solenoid due to current is

Question # 10

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

Question # 11

A field is uniform and much stronger:

Question # 12

To convert galvanometer into ammeter we connect

Question # 13

Magnetic induction is also called as:

Question # 14

A voltmeter is used to measure the

Question # 15

In the region surrounding a current carrying wire:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The working of galvanometer depends upon torque exerted on a current carrying coil in
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
2

The pointer of a magnetic compass:
A.

Is affected only by permanent magnets

B.

Align itself parallel to the applied magnetic field

C.

Vibrates in the magnetic field of the current

D.

Aligns itself perpendicular to the magnetic field
3 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
4 (CRO) Cathode ray oscilloscope is a device used for high speed
A. velocity
B. graph plotting
C. time-velocity
D. none of these
5 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
6 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
7 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
8 41 The force experience, when proton projected in a magnetic field with velocity 'v' is
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
9 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
10 Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:
A.

Thumb

B.

Curled fingers

C.

Middle finger

D.

Arm of right hand

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