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

magnetic field is a:

Question # 2

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

Question # 3

Magnetic lines of force:

Question # 4

The permeability of free space is measured in:

Question # 5

The CRO is used for displaying the waveform of a given

Question # 6

How many number of anodes used in electron gun

Question # 7

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

Question # 8

The field around a moving charge is called

Question # 9

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

Question # 10

CRO deflects the beam of

Question # 11

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 12

The voltage increases linearly with

Question # 13

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

Question # 14

A resistance used in galvanometer to make it voltmeter is called

Question # 15

The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
2 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
3 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
4 The gavanometer constant of a moving coil galvanometer is given by
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
5 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
6 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
7 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
8 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
9 (CRO) Cathode ray oscilloscope is a device used for high speed
A. velocity
B. graph plotting
C. time-velocity
D. none of these
10 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these

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