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

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

Question # 2

The current sensitivity of the galvanometer is

Question # 3

The unit of magnetic flux is

Question # 4

Resistance is measured in

Question # 5

A current carrying conductor sets up its own:

Question # 6

The CRO is used for displaying the waveform of a given

Question # 7

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 # 8

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 9

The SI unit of magnetic induction is

Question # 10

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 11

Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:

Question # 12

A resistance used in voltmeter is called

Question # 13

A solenoid is a coil of wire which is:

Question # 14

magnetic field is a:

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
2 The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
A. F=eVB
B. F=e2V/B
C. F=e/VB
D. F=B2/ev
3 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
4 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
5 Magnetic lines of force:
A.

Cannot intersect at all

B.

Intersect at infinity

C.

Intersect within magnet

D.

Intersect at Neutral Point
6 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
7 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
8 Ammeter is used to measure
A. voltage
B. resistance
C. voltage and current
D. current
9 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
10 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

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