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

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 3

Electron gun consist of

Question # 4

The gavanometer constant of a moving coil galvanometer is given by

Question # 5

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

Question # 6

Galvanometer is a device used for the detection of

Question # 7

Ammeter is used to measure

Question # 8

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

Question # 9

The unit of flux density is also given by

Question # 10

The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of

Question # 11

Magnetic flux and flux density are related by

Question # 12

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 13

How many number of anodes used in electron gun

Question # 14

The force acting as one meter length of the conductor placed at right angle to the magnetic field, when one A current is passing through it, defines the

Question # 15

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 A relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
3 The working of galvanometer depends upon torque exerted on a current carrying coil in
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
4

the current is pass through the straight wire. The magnetic field established around it has its lines of force:
A.

Circular and endless

B.

Oval in shape and endless

C.

Straight

D.

Parabolic
5 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
6 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
7 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
8 When current passes through a solenoid coil, it behaves like a
A. loop
B. circle
C. bar magnet
D. none of these
9 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
10 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them

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