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

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Question # 1

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 # 2

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

Question # 3

magnetic field is a:

Question # 4

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

Question # 5

The SI unit of flux density is

Question # 6

The working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 7

The unit of magnetic flux is

Question # 8

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

Question # 9

A solenoid is a coil of wire which is:

Question # 10

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

Question # 11

In the formula B= µ̻ nl, the symbol n denotes:

Question # 12

The SI unit of magnetic induction is

Question # 13

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 14

Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:

Question # 15

Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
2 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
3 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
A. F = B2
B. F = 0
C. F = B
D. F = B/2
4 The working of galvanometer depends upon torque exerted on a current carrying coil in
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
5 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
6 A relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
7 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
8 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°
9 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)
10 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these

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