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

In the formula B= µ̻ nl, the symbol n denotes:

Question # 2

Method "lamp and scale arrangement" used to measure the

Question # 3

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

Question # 4

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 # 5

The SI unit of magnetic flux is

Question # 6

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

Question # 7

magnetic field is a:

Question # 8

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

Question # 9

How many number of anodes used in electron gun

Question # 10

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

Question # 11

If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is

Question # 12

Resistance is measured in

Question # 13

The current sensitivity of the galvanometer is

Question # 14

Avo-meter is used of measure the

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Flurescent screen is a screen where visible spot
A. vanishes
B. is made
C. becomes small and large
D. none of these
2 The galvanometer can be made sensitive if the value of the factor C/BAN is
A. constant
B. small
C. large
D. none of these
3 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
4 When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
A. changed
B. zero
C. unchanged
D. none of these
5 When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into
A. Voltmeter
B. Avometer
C. Ammeter
D. None of these
6 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
7 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
8 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
9 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
10 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field

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