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 direction of lines of force depends upon the direction of

Question # 2

Method "lamp and scale arrangement" used to measure the

Question # 3

Which one of the following relations is correct?

Question # 4

The magnetic field in the middle of a solenoid due to current is

Question # 5

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

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

A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called

Question # 8

Magnetic lines of force:

Question # 9

For the conversion of galvanometer into voltmeter, we connect a

Question # 10

A resistance used in galvanometer to make it voltmeter is called

Question # 11

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

Question # 12

A galvanometer is an instrument used to

Question # 13

Centripetal force for electron is given by

Question # 14

The force acting on a charge moving in a magnetic field

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
2 A current carrying conductor sets up its own:
A.

Electric field

B.

Nuclear field

C.

Magnetic field

D.

Both (A) and (C)
3 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
4 Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:
A.

Thumb

B.

Curled fingers

C.

Middle finger

D.

Arm of right hand
5 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
6 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
7 Which one of the following relations is correct?
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
8 Magnetic lines of force:
A.

Cannot intersect at all

B.

Intersect at infinity

C.

Intersect within magnet

D.

Intersect at Neutral Point
9 A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
10 The force experienced by charged particle is maximum, if it moves
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these

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