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

Method "lamp and scale arrangement" used to measure the

Question # 2

The unit of flux density is also given by

Question # 3

Galvanometer is a device used for the detection of

Question # 4

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

Question # 5

A galvanometer is an instrument used to

Question # 6

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

Question # 7

In the expression of force experienced by electron, the direction of both v and B are

Question # 8

The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 9

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

Question # 10

In the region surrounding a current carrying wire:

Question # 11

The force experienced by charged particle is maximum, if it moves

Question # 12

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

Question # 13

The SI unit of flux density is

Question # 14

The current sensitivity of the galvanometer is

Question # 15

When current passes through a solenoid coil, it behaves like a

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
2 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these
3 A current carrying conductor sets up its own:
A.

Electric field

B.

Nuclear field

C.

Magnetic field

D.

Both (A) and (C)
4 The most suitable material for permanent magnet is
A. cobalt
B. iron
C. steel
D. alaminium
5 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
6 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
7 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
8 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
9 Method "lamp and scale arrangement" used to measure the
A. angle of deflection
B. restoring torque
C. magnetic field strength
D. current
10 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these

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