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

00:00
Question # 1

The SI unit of magnetic induction is

Question # 2

Current is measured in

Question # 3

A beam of electrons is provided by an

Question # 4

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

Question # 5

The direction of lines of force depends upon the direction of

Question # 6

A voltmeter is used to measure the

Question # 7

Resistance is measured in

Question # 8

Avo-meter is used of measure the

Question # 9

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

Question # 10

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 11

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:

Question # 12

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

Question # 13

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 14

The field around a moving charge is called

Question # 15

Lorentz force is defined as

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The SI unit of magnetic induction is tesla which is equal to
A. Newton/ampere-meter or N/A-m
B. Newton/ampere2-meter or N/A2-m
C. Newton/ampere2-meter2 or N/A2-m2
D. Newton/ampere2-meter2or N/A2-m2
2 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
3 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
4 The force acting on a charge moving in a magnetic field
A. is perpendicular to the both magnetic field and direction of motion
B. is proportional to the magnetic of charges
C. vanishes when the motion is directly opposite to the direction of field
D. all of the above
5 When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is
A. 90°
B. 75°
C. 0°
D. 180°
6 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
7 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these
8 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
9 When current passes through a solenoid coil, it behaves like a
A. loop
B. circle
C. bar magnet
D. none of these
10 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these

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