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

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 2

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Question # 3

Which one of the following relations is correct?

Question # 4

Tesla is the unit of

Question # 5

The SI unit of magnetic flux is

Question # 6

When some compass needles are placed on a card board along a circle with the center at the wire, they will

Question # 7

The pointer of a magnetic compass:

Question # 8

Current is measured in

Question # 9

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 10

The voltage increases linearly with

Question # 11

Magnetic induction is also called as:

Question # 12

Avo-meter is used of measure the

Question # 13

The magnetic field in the middle of a solenoid due to current is

Question # 14

The SI unit of flux density is

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
2 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
3 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
4 When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
A. changed
B. zero
C. unchanged
D. none of these
5 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
6 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
7 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
8 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
9 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
10 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

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