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

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

Question # 2

A long wire wound tightly on a cylindrical core is called:

Question # 3

The current sensitivity of the galvanometer is

Question # 4

The angle of deflection of coil can be measured by the

Question # 5

Amperean path is a:

Question # 6

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 7

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 8

The galvanometer can be made sensitive if the value of the factor C/BAN is

Question # 9

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Question # 10

The vector representation of force experience give the direction of

Question # 11

The CRO deflects the beam of electrons, when they passes through uniform

Question # 12

Which is modified form of galvanometer

Question # 13

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

Question # 14

A field is uniform and much stronger:

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
2 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
A. magnetic flux
B. magnetic induction
C. magnetic field
D. self inductance
3 At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:
A. -y direction
B. +y direction
C. +z direction
D. -z direction
4 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
5 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
6 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
7

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
8 The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by
A. F =q(v/B)
B. F=q2(v x B)
C. F=q(v x B)
D. F= vx B
9 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
10 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

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