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

Which one of the following relations is correct?

Question # 2

The magnetic field in the middle of a solenoid due to current is

Question # 3

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

Question # 4

In a moving coil galvanometer, the deflecting couple depends upon

Question # 5

Weber is a unit of

Question # 6

The SI unit of flux density is.

Question # 7

Tesla is the unit of

Question # 8

Avo-meter is used of measure the

Question # 9

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

Question # 10

A solenoid is a coil of wire which is:

Question # 11

CRO deflects the beam of

Question # 12

The unit of magnetic flux is

Question # 13

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 14

The current sensitivity of the galvanometer is

Question # 15

Method "lamp and scale arrangement" used to measure the

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
2 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
3

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
4 When the charged particle is projected at right angles to the field, then experienced by it will be:
A. Maximum
B. Zero
C. qvB
D. Both (A) and (B)
5 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
6 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
7 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
8 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
9 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
10 Centripetal force for electron is given by
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v

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