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

A current carrying conductor sets up its own:

Question # 2

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

Question # 3

Tesla is the unit of

Question # 4

The SI unit of magnetic flux is

Question # 5

The field around a moving charge is called

Question # 6

The permeability of free space is measured in:

Question # 7

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

Question # 8

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 9

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 10

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 11

The gavanometer constant of a moving coil galvanometer is given by

Question # 12

In the formula B= µ̻ nl, the symbol n denotes:

Question # 13

If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
2 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
3 The most suitable material for permanent magnet is
A. cobalt
B. iron
C. steel
D. alaminium
4 A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m2The force on the wire is
A. 5N
B. 4N
C. 1.5N
D. 6N
5 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
6 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
7 if the field is directed along the normal to the area, then flux is:
A.

Maximum

B.

Equal to zero

C.

Equal to BA

D.

Minimum
8 '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
9 A current carrying conductor sets up its own:
A.

Electric field

B.

Nuclear field

C.

Magnetic field

D.

Both (A) and (C)
10 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)

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