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 magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 2

Flurescent screen is a screen where visible spot

Question # 3

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

Question # 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

Question # 5

The working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 6

A voltmeter is used to measure the

Question # 7

Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:

Question # 8

Strength of magnetic field is measured in SI units, in:

Question # 9

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 10

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Question # 11

magnetic field is a:

Question # 12

A solenoid is a coil of wire which is:

Question # 13

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

Question # 14

Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:

Question # 15

The torque per unit twist of coil is called

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Method "lamp and scale arrangement" used to measure the
A. angle of deflection
B. restoring torque
C. magnetic field strength
D. current
2 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
3 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
4 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
5 A current carrying conductor sets up its own:
A.

Electric field

B.

Nuclear field

C.

Magnetic field

D.

Both (A) and (C)
6 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
7 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
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 To convert galvanometer into ammeter we connect
A. small resistance in parallel with galvanometer
B. small resistance in series with galvanometer
C. high resistance in series with galvanometer
D. high resistance in parallel with galvanometer

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