Physics ECAT Pre Engineering Chapter 14 Electromagnetism Online Test

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  • Chapter NameCh 14 - Electromagnetism
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Physics ECAT Pre Engineering Chapter 14 Electromagnetism Online Test

  • Total Questions15

  • Time Allowed20

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Physics ECAT Pre Engineering Chapter 14 Electromagnetism Online Test

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Question # 1

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

Question # 2

The SI unit of magnetic permeability is

Question # 3

The permeability of free space is measured in:

Question # 4

F = I(L x B) is a

Question # 5

Resistance is measured in

Question # 6

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

Question # 7

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

Question # 8

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 9

The SI unit of flux density is.

Question # 10

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 11

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

Question # 12

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 13

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

Question # 14

Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:

Question # 15

Magnetic flux and flux density are related by

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