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

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

Question # 2

When some compass needles are placed on a card board along a circle with the center at the wire, they will

Question # 3

CRO deflects the beam of

Question # 4

It is customary represent a current flowing towards the reader by a symbol

Question # 5

A solenoid is a coil of wire which is:

Question # 6

The gavanometer constant of a moving coil galvanometer is given by

Question # 7

Method "lamp and scale arrangement" used to measure the

Question # 8

The pointer of a magnetic compass:

Question # 9

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

Question # 10

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 # 11

In the expression of force experienced by electron, the direction of both v and B are

Question # 12

The SI unit of magnetic induction is

Question # 13

The sources of magnetic field are

Question # 14

The SI unit of magnetic permeability is

Question # 15

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 In the region surrounding a current carrying wire:
A. A magnetic field is setup

B.

The lines of force are elliptical

C.

Direction of lines of forces depends upon direction of current

D.

Both (A) and (C)
2 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
3 Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
A. Maximum
B. Minimum
C. Zero
D. Very small
4 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
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 SI unit of flux density is
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
7 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
8 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
9 (CRO) Cathode ray oscilloscope is a device used for high speed
A. velocity
B. graph plotting
C. time-velocity
D. none of these
10 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron

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