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 SI unit of flux density is

Question # 2

The CRO deflects the beam of electrons, when they passes through uniform

Question # 3

The vector representation of force experience give the direction of

Question # 4

A current carrying conductor sets up its own:

Question # 5

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

Question # 6

The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 7

How many number of anodes used in electron gun

Question # 8

Electron gun consist of

Question # 9

A long wire wound tightly on a cylindrical core is called:

Question # 10

CRO deflects the beam of

Question # 11

Galvanometer is a device used for the detection of

Question # 12

Current is measured in

Question # 13

Centripetal force for electron is given by

Question # 14

A beam of electrons is provided by an

Question # 15

magnetic field is a:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
2 Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:
A.

Thumb

B.

Curled fingers

C.

Middle finger

D.

Arm of right hand
3 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
4 Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
A. Maximum
B. Minimum
C. Zero
D. Very small
5 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
6 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
7 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
8 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
9 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
10 41 The force experience, when proton projected in a magnetic field with velocity 'v' is
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)

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