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

NmA-1 is commonly called:

Question # 2

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 3

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

Question # 4

The force experienced by charged particle is maximum, if it moves

Question # 5

A solenoid is a coil of wire which is:

Question # 6

Resistance is measured in

Question # 7

The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 8

The current is measured in

Question # 9

The SI unit of flux density is

Question # 10

The permeability of free space is measured in:

Question # 11

Galvanometer is a device used for the detection of

Question # 12

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 # 13

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 14

The torque per unit twist of coil is called

Question # 15

Centripetal force for electron is given by

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
2 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
3 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
4

The pointer of a magnetic compass:
A.

Is affected only by permanent magnets

B.

Align itself parallel to the applied magnetic field

C.

Vibrates in the magnetic field of the current

D.

Aligns itself perpendicular to the magnetic field
5 The most suitable material for permanent magnet is
A. cobalt
B. iron
C. steel
D. alaminium
6 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
7 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
8 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
9 The force acting on a charge moving in a magnetic field
A. is perpendicular to the both magnetic field and direction of motion
B. is proportional to the magnetic of charges
C. vanishes when the motion is directly opposite to the direction of field
D. all of the above
10 If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are
A. n/AL
B. Al/n
C. nAL
D. nA/L

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