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

The SI unit of magnetic induction is

Question # 2

Avo-meter is used of measure the

Question # 3

Flurescent screen is a screen where visible spot

Question # 4

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

Question # 5

The vector representation of force experience give the direction of

Question # 6

In a moving coil galvanometer, the deflecting couple depends upon

Question # 7

The field around a moving charge is called

Question # 8

The most suitable material for permanent magnet is

Question # 9

For the conversion of galvanometer into voltmeter, we connect a

Question # 10

The e/m of an electron moving in a circular path in a magnetic field is equal to

Question # 11

CRO deflects the beam of

Question # 12

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

Question # 13

The SI unit of magnetic permeability is

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
2 Centripetal force for electron is given by
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v
3 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
4 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
5 The SI unit of flux density is
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
6 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
7 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
8 In the formula B= µ̻ nl, the symbol n denotes:
A.

Total number of turns of solenoid

B.

Number of turns per unit length

C.

Number of turns per unit volume

D.

Numbers of turns per unit area
9 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
10 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these

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