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

The vector representation of force experience give the direction of

Question # 2

Ammeter is used to measure

Question # 3

How many number of anodes used in electron gun

Question # 4

For the conversion of galvanometer into voltmeter, we connect a

Question # 5

A resistance used in galvanometer to make it voltmeter is called

Question # 6

The galvanometer can be made sensitive if the value of the factor C/BAN is

Question # 7

The SI unit of magnetic induction is

Question # 8

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 9

Which is modified form of galvanometer

Question # 10

The unit of flux density is also given by

Question # 11

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

Question # 12

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

Question # 13

Method "lamp and scale arrangement" used to measure the

Question # 14

The SI unit of magnetic flux is.

Question # 15

The angle of deflection of coil can be measured by the

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which one of the following relations is correct?
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
2 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
3 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
4 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
5 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
6 In the formula B= µ̻ nl, the symbol n denotes:
A.

Total number of turns of solenoid

B.

Number of turns per unit length

C.

Number of turns per unit volume

D.

Numbers of turns per unit area
7 Ammeter is used to measure
A. voltage
B. resistance
C. voltage and current
D. current
8 The gavanometer constant of a moving coil galvanometer is given by
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
9 A relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
10 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure

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