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

Magnetic lines of force:

Question # 2

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

Question # 3

The torque per unit twist of coil is called

Question # 4

A resistance used in galvanometer to make it voltmeter is called

Question # 5

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

Question # 6

The angle of deflection of coil can be measured by the

Question # 7

When the charged particle is projected at right angles to the field, then experienced by it will be:

Question # 8

Magnetic flux and flux density are related by

Question # 9

Resistance is measured in

Question # 10

The current is measured in

Question # 11

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

Question # 12

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

Question # 13

Method "lamp and scale arrangement" used to measure the

Question # 14

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

Question # 15

The pointer of a magnetic compass:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
2 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
3 Lorentz force is defined as
A. q(E + V x B)
B. q(E x B + V)
C. q(E x V + B)
D. q(E x B)
4 The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
A. F=eVB
B. F=e2V/B
C. F=e/VB
D. F=B2/ev
5 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
6 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
7 Magnetic flux and flux density are related by
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
8 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
9 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
10 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb

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