ECAT Pre General Science Physics Chapter 14 Electromagnetism

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  • Chapter NameCh 14 - Electromagnetism

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

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

Question # 2

A long wire wound tightly on a cylindrical core is called:

Question # 3

To convert galvanometer into ammeter we connect

Question # 4

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

Question # 5

The force acting on a charge moving in a magnetic field

Question # 6

The angle of deflection of coil can be measured by the

Question # 7

The magnetic field outside the solenoid due to current is

Question # 8

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

Question # 9

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 # 10

The current sensitivity of the galvanometer is

Question # 11

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

Question # 12

magnetic field is a:

Question # 13

At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:

Question # 14

The SI unit of magnetic induction is

Question # 15

Centripetal force for electron is given by

Question # 16

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

Question # 17

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

Question # 18

Magnetic induction is also called as:

Question # 19

A resistance used in galvanometer to make it voltmeter is called

Question # 20

The most suitable material for permanent magnet is

Question # 21

Method "lamp and scale arrangement" used to measure the

Question # 22

The sources of magnetic field are

Question # 23

Current is measured in

Question # 24

The working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 25

CRO deflects the beam of

Question # 26

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

Question # 27

Magnetic lines of force:

Question # 28

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

Question # 29

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 30

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

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