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 SI unit of magnetic flux is.

Question # 2

Method "lamp and scale arrangement" used to measure the

Question # 3

The angle of deflection of coil can be measured by the

Question # 4

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

Question # 5

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 6

Galvanometer is a device used for the detection of

Question # 7

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 8

The torque per unit twist of coil is called

Question # 9

The current is measured in

Question # 10

NmA-1 is commonly called:

Question # 11

In the region surrounding a current carrying wire:

Question # 12

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

Question # 13

The direction of lines of force depends upon the direction of

Question # 14

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

Question # 15

The magnetic field outside the solenoid due to current is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
2 If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:
A. Becomes Half
B. Becomes double
C. Is not affected
D. Becomes one fourth
3 The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of
A. ammeter
B. voltmeter
C. galvanometer
D. avo-meter
4 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
5 When the charged particle is projected at right angles to the field, then experienced by it will be:
A. Maximum
B. Zero
C. qvB
D. Both (A) and (B)
6 The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
A. magnetic flux
B. magnetic flux density
C. magnetic induction
D. magnetic field intensity
7 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
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 A solenoid is a coil of wire which is:
A.

Short, loosely wound, cylindrical

B.

Long, tightly wound, spherical

C.

Long, loosely wound, cylindrical

D.

Long, tightly wound, cylindrical
10 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)

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