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

The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon

Question # 2

Centripetal force for electron is given by

Question # 3

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 # 4

The most suitable material for permanent magnet is

Question # 5

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 6

Galvanometer is a device used for the detection of

Question # 7

In a moving coil galvanometer, the deflecting couple depends upon

Question # 8

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

Question # 9

The strength of magnetic field around the current conductor is

Question # 10

Tesla is the unit of

Question # 11

Current is measured in

Question # 12

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 13

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 14

The torque per unit twist of coil is called

Question # 15

A galvanometer is an instrument used to

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The force experienced by charged particle is maximum, if it moves
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these
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:
A.

Thumb

B.

Curled fingers

C.

Middle finger

D.

Arm of right hand
3 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
4 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
5 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
6 Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
A. IT = 10-4 G
B. IT = 105G
C. IT = 103G
D. IT = 104G
7 Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
A. BACosѲ

B. Zero
C. BA
D. BA sinѲ
8 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
9 A field is uniform and much stronger:
A.

Inside a long solenoid

B.

Outside a long solenoid

C.

At the end of a long solenoid

D.

At the central point of long solenoid
10 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

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