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

00:00
Question # 1

CRO deflects the beam of

Question # 2

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 # 3

A shunt resistance parallel to the galvanometer is used to convert it into

Question # 4

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 5

Lorentz force is defined as

Question # 6

The strength of magnetic field around the current conductor is

Question # 7

To convert galvanometer into ammeter we connect

Question # 8

A voltmeter is used to measure the

Question # 9

Which is modified form of galvanometer

Question # 10

NmA-1 is commonly called:

Question # 11

A beam of electrons is provided by an

Question # 12

Weber is a unit of

Question # 13

Ammeter is used to measure

Question # 14

Flurescent screen is a screen where visible spot

Question # 15

Current is measured in

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
2 A resistance used in galvanometer to make it voltmeter is called
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
3 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
4 The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
A. magnetic flux
B. magnetic flux density
C. magnetic induction
D. magnetic field intensity
5 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these
6 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
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 In the region surrounding a current carrying wire:
A. A magnetic field is setup

B.

The lines of force are elliptical

C.

Direction of lines of forces depends upon direction of current

D.

Both (A) and (C)
9 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
10 When current passes through a solenoid coil, it behaves like a
A. loop
B. circle
C. bar magnet
D. none of these

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