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

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

Question # 2

The SI unit of flux density is.

Question # 3

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

Question # 4

The permeability of free space is measured in:

Question # 5

In the region surrounding a current carrying wire:

Question # 6

Which is modified form of galvanometer

Question # 7

CRO deflects the beam of

Question # 8

Method "lamp and scale arrangement" used to measure the

Question # 9

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

Question # 10

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

Question # 11

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 12

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

Question # 13

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 # 14

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 15

Resistance is measured in

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
2 Centripetal force for electron is given by
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v
3 The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
A. F=eVB
B. F=e2V/B
C. F=e/VB
D. F=B2/ev
4 For the conversion of galvanometer into voltmeter, we connect a
A. small resistance in series with galvanometer
B. small resistance in parallel with galvanometer
C. high resistance in parallel with galvanometer
D. high resistance series with galvanometer
5 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
6 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
7 The vector representation of force experience give the direction of
A. magnetic field
B. current
C. length of conductor
D. force
8 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
9 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
10 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor

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