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

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

Question # 2

The magnetic field outside the solenoid due to current is

Question # 3

CRO deflects the beam of

Question # 4

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 5

Weber is a unit of

Question # 6

A field is uniform and much stronger:

Question # 7

The SI unit of magnetic induction is

Question # 8

To convert galvanometer into ammeter we connect

Question # 9

Amperean path is a:

Question # 10

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

Question # 11

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

Question # 12

A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m2The force on the wire is

Question # 13

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 # 14

The field around a moving charge is called

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
3 41 The force experience, when proton projected in a magnetic field with velocity 'v' is
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
4 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
5 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
6 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
7 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
8 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
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 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

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