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

Which one of the following relations is correct?

Question # 2

The voltage increases linearly with

Question # 3

Magnetic flux and flux density are related by

Question # 4

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

Question # 5

NmA-1 is commonly called:

Question # 6

The torque per unit twist of coil is called

Question # 7

Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:

Question # 8

A resistance used in voltmeter is called

Question # 9

Tesla is the unit of

Question # 10

The pointer of a magnetic compass:

Question # 11

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

Question # 12

The magnetic field outside the solenoid due to current is

Question # 13

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

Question # 14

The SI unit of flux density is

Question # 15

The vector representation of force experience give the direction of

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
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 When some compass needles are placed on a card board along a circle with the center at the wire, they will
A.

Point the direction of N-S

B.

Set themselves tangential to the circle

C.

Point in the direction of E-W

D.

None of these
4 A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
A. minimum
B. maximum
C. zero
D. none of these
5 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
6 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
7 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
8 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
9 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
10 A resistance used in galvanometer to make it voltmeter is called
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these

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