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

The unit of magnetic flux is

Question # 2

F = I(L x B) is a

Question # 3

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 4

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

Question # 5

The direction of lines of force depends upon the direction of

Question # 6

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 # 7

Magnetic induction is also called as:

Question # 8

Tesla is the unit of

Question # 9

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

Question # 10

A shunt resistance parallel to the galvanometer is used to convert it into

Question # 11

A galvanometer is an instrument used to

Question # 12

Centripetal force for electron is given by

Question # 13

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

Question # 14

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 15

A charged particle moving at right angle to the magnetic field will experience

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A full-scale deflection is obtained in a galvanometer with a current of few
A. ampere
B. volts
C. milliampere
D. ohm
2 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)
3 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
4 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
5 (CRO) Cathode ray oscilloscope is a device used for high speed
A. velocity
B. graph plotting
C. time-velocity
D. none of these
6 The SI unit of flux density is
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
7 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
8 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
A. 5N
B. 4N
C. 1.5N
D. 6N
9 A field is uniform and much stronger:
A.

Inside a long solenoid

B.

Outside a long solenoid

C.

At the end of a long solenoid

D.

At the central point of long solenoid
10 For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
A. modification
B. voltage
C. current
D. resistance

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