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

The most suitable material for permanent magnet is

Question # 2

In a moving coil galvanometer, the deflecting couple depends upon

Question # 3

The CRO deflects the beam of electrons, when they passes through uniform

Question # 4

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

Question # 5

The force acting as one meter length of the conductor placed at right angle to the magnetic field, when one A current is passing through it, defines the

Question # 6

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

Question # 7

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 # 8

Ammeter is used to measure

Question # 9

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

Question # 10

Avo-meter is used of measure the

Question # 11

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 12

A beam of electrons is provided by an

Question # 13

The sources of magnetic field are

Question # 14

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

Question # 15

The voltage increases linearly with

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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 The unit of flux density is also given by
A. Weber/m2or Wb . m-2
B. Weber/mor Wb . m
C. Weber/mor Wb . m-1
D. Weber or Wb
3 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
4 A current carrying conductor sets up its own:
A.

Electric field

B.

Nuclear field

C.

Magnetic field

D.

Both (A) and (C)
5 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
6 In a moving coil galvanometer, the deflecting couple depends upon
A. area of the coil
B. number of turns of coil
C. value of magnetic field
D. all of the above
7

the current is pass through the straight wire. The magnetic field established around it has its lines of force:
A.

Circular and endless

B.

Oval in shape and endless

C.

Straight

D.

Parabolic
8 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
9 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
10 The magnetic field inside a solenoid can be increased by:
A. Increasing n
B. Decreasing I
C. Increasing I
D. By using iron core within solenoid

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