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

Ammeter is used to measure

Question # 2

The permeability of free space is measured in:

Question # 3

Lorentz force is defined as

Question # 4

The SI unit of flux density is.

Question # 5

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

Question # 6

The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 7

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

Question # 8

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 # 9

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

Question # 10

Weber is a unit of

Question # 11

The most suitable material for permanent magnet is

Question # 12

The angle of deflection of coil can be measured by the

Question # 13

The vector representation of force experience give the direction of

Question # 14

The direction of lines of force depends upon the direction of

Question # 15

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
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
A. F = B2
B. F = 0
C. F = B
D. F = B/2
2 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
3 If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are
A. n/AL
B. Al/n
C. nAL
D. nA/L
4 Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
A. BACosѲ

B. Zero
C. BA
D. BA sinѲ
5 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
6 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
7

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
8 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
9 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
10 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1

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