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

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Question # 2

Flurescent screen is a screen where visible spot

Question # 3

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

Question # 4

The torque per unit twist of coil is called

Question # 5

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

Question # 6

The SI unit of magnetic induction is

Question # 7

It is customary represent a current flowing towards the reader by a symbol

Question # 8

The magnetic field in the middle of a solenoid due to current is

Question # 9

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 # 10

The SI unit of magnetic induction is tesla which is equal to

Question # 11

The voltage increases linearly with

Question # 12

The SI unit of magnetic flux is

Question # 13

The magnetic field outside the solenoid due to current is

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
2 Charge to mass ratio (e/m) of an electron is given by the relation
A. e/m = 2V/Br2
B. e/m = 2V/B2r
C. e/m = 2V/B2r2
D. e/m = V/2B2r2
3 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
4 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
5 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
6 The force experienced by charged particle is maximum, if it moves
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these
7 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
8 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
9 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
10 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these

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