ECAT Pre General Science Physics Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism

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ECAT Pre General Science Physics Chapter 14 Electromagnetism

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Question # 1

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 2

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

Question # 3

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 4

A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called

Question # 5

Magnetic induction is also called as:

Question # 6

A beam of electrons is provided by an

Question # 7

A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m2The force on the wire is

Question # 8

Amperean path is a:

Question # 9

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

Question # 10

NmA-1 is commonly called:

Question # 11

The CRO deflects the beam of electrons, when they passes through uniform

Question # 12

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Question # 13

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

Question # 14

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 15

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

Question # 16

A solenoid is a coil of wire which is:

Question # 17

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 18

The SI unit of magnetic permeability is

Question # 19

Centripetal force for electron is given by

Question # 20

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

Question # 21

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

Question # 22

Galvanometer is a device used for the detection of

Question # 23

A current carrying conductor sets up its own:

Question # 24

Magnetic flux and flux density are related by

Question # 25

The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by

Question # 26

Which is modified form of galvanometer

Question # 27

In the region surrounding a current carrying wire:

Question # 28

A charged particle moving at right angle to the magnetic field will experience

Question # 29

The SI unit of flux density is

Question # 30

Current is measured in

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
2 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
3 Ammeter is used to measure
A. voltage
B. resistance
C. voltage and current
D. current
4 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
5 When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into
A. Voltmeter
B. Avometer
C. Ammeter
D. None of these
6 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
7 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
8 Method "lamp and scale arrangement" used to measure the
A. angle of deflection
B. restoring torque
C. magnetic field strength
D. current
9 Magnetic flux and flux density are related by
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
10 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these

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