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

A current carrying conductor sets up its own:

Question # 2

The force acting on a charge moving in a magnetic field

Question # 3

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

Question # 4

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 5

A galvanometer is an instrument used to

Question # 6

The SI unit of magnetic induction is tesla which is equal to

Question # 7

The angle of deflection of coil can be measured by the

Question # 8

The most suitable material for permanent magnet is

Question # 9

The permeability of free space is measured in:

Question # 10

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

Question # 11

The SI unit of flux density is.

Question # 12

Strength of magnetic field is measured in SI units, in:

Question # 13

Which is modified form of galvanometer

Question # 14

The e/m of an electron moving in a circular path in a magnetic field is equal to

Question # 15

F = I(L x B) is a

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
2 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
3 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
4 Method "lamp and scale arrangement" used to measure the
A. angle of deflection
B. restoring torque
C. magnetic field strength
D. current
5 The galvanometer can be made sensitive if the value of the factor C/BAN is
A. constant
B. small
C. large
D. none of these
6 if the field is directed along the normal to the area, then flux is:
A.

Maximum

B.

Equal to zero

C.

Equal to BA

D.

Minimum
7 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
8 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
9 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these
10 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

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