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

Tesla is the unit of

Question # 2

A beam of electrons is provided by an

Question # 3

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

Question # 4

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 # 5

The magnetic field outside the solenoid due to current is

Question # 6

How many number of anodes used in electron gun

Question # 7

The current sensitivity of the galvanometer is

Question # 8

Resistance is measured in

Question # 9

The CRO is used for displaying the waveform of a given

Question # 10

The magnetic field inside a solenoid can be increased by:

Question # 11

Magnetic flux and flux density are related by

Question # 12

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

Question # 13

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

Question # 14

The SI unit of magnetic flux is

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
2 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
3 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
4 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
5 A solenoid is a coil of wire which is:
A.

Short, loosely wound, cylindrical

B.

Long, tightly wound, spherical

C.

Long, loosely wound, cylindrical

D.

Long, tightly wound, cylindrical
6 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
7 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
8 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
9 A galvanometer is an instrument used to
A. measure voltage across a circuit
B. detect current in a circuit
C. measure current flowing through a circuit
D. none of these
10 '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

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