ECAT Pre Engineering Physics Chapter 14 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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

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Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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Question # 1

In the region surrounding a current carrying wire:

Question # 2

Magnetic lines of force:

Question # 3

The field around a moving charge is called

Question # 4

Resistance is measured in

Question # 5

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

Question # 6

The current is measured in

Question # 7

A beam of electrons is provided by an

Question # 8

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

Question # 9

Centripetal force for electron is given by

Question # 10

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

Question # 11

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

Question # 12

The sources of magnetic field are

Question # 13

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

Question # 14

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 # 15

The strength of magnetic field around the current conductor is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Flurescent screen is a screen where visible spot
A. vanishes
B. is made
C. becomes small and large
D. none of these
2 Ammeter is used to measure
A. voltage
B. resistance
C. voltage and current
D. current
3 Electron gun consist of
A. three anodes
B. heating cathode
C. three anodes
D. three anodes , heating cathode, grid
4 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
5 if the field is directed along the normal to the area, then flux is:
A.

Maximum

B.

Equal to zero

C.

Equal to BA

D.

Minimum
6 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
7 The galvanometer can be made sensitive if the value of the factor C/BAN is
A. constant
B. small
C. large
D. none of these
8 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
9 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
10 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss

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