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

To convert galvanometer into ammeter we connect

Question # 2

The SI unit of magnetic induction is tesla which is equal to

Question # 3

If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are

Question # 4

The SI unit of flux density is

Question # 5

Galvanometer is a device used for the detection of

Question # 6

The SI unit of magnetic induction is

Question # 7

Avo-meter is used of measure the

Question # 8

In order to make a voltmeter, high resistance is connected with galvanometer, in

Question # 9

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

Question # 10

The vector representation of force experience give the direction of

Question # 11

Magnetic flux and flux density are related by

Question # 12

The gavanometer constant of a moving coil galvanometer is given by

Question # 13

the current is pass through the straight wire. The magnetic field established around it has its lines of force:

Question # 14

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

Question # 15

When some compass needles are placed on a card board along a circle with the center at the wire, they will

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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)
2 Ammeter is used to measure
A. voltage
B. resistance
C. voltage and current
D. current
3 Total number of turns on 0.15 m length solenoid is 300. the value of n is:
A. Greater than 300
B. Smaller than 300
C. Equal to 300
D. Any of (A) or (B)
4 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
5 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
6 A full-scale deflection is obtained in a galvanometer with a current of few
A. ampere
B. volts
C. milliampere
D. ohm
7 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
8 If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are
A. n/AL
B. Al/n
C. nAL
D. nA/L
9 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
10 A current carrying conductor sets up its own:
A.

Electric field

B.

Nuclear field

C.

Magnetic field

D.

Both (A) and (C)

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