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 total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 2

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

Question # 3

The SI unit of magnetic flux is

Question # 4

Which one of the following relations is correct?

Question # 5

A current carrying conductor sets up its own:

Question # 6

A galvanometer is an instrument used to

Question # 7

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

Question # 8

The voltage increases linearly with

Question # 9

The sources of magnetic field are

Question # 10

The magnetic field inside a solenoid can be increased by:

Question # 11

Tesla is the unit of

Question # 12

Resistance is measured in

Question # 13

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

Question # 14

The torque per unit twist of coil is called

Question # 15

Magnetic lines of force:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
A. IT = 10-4 G
B. IT = 105G
C. IT = 103G
D. IT = 104G
2 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
3 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
4 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
5 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
6 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
7 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
8 A resistance used in galvanometer to make it voltmeter is called
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
9 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
10 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density

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