Second Year Physics Chapter 15 Online MCQ Test for 2nd Year Physics Chapter 15 Electromagnetic Induction Preparation

FSC Part 2 Physics
Chapter 15 Test

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

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Question # 1

The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:

Question # 2

Step up transformer is used.

Question # 3

Output of D.C. motor is

Question # 4

If we make magnetic field stronger the value of induced current is.

Question # 5

Unit of self inductance is

Question # 6

A real transformer does not change.

Question # 7

The induced emf in a coil is proportional to:

Question # 8

For step down transformer

Question # 9

1 Henry =

Question # 10

Michael Faraday and Joseph Henry belongs to

Question # 11

If D.C. input for step up transformer, the output is

Question # 12

A simple device that prevents the direction of current from changing is called.

Question # 13

If a step up transformer were 100% efficient the primary and secondary winging's would have the same.

Question # 14

The Si unit of Mutual inductance is:

Question # 15

Self inductance of a long solenoid is given by

Question # 16

The only difference between the construction of D.C and A.C is.

Question # 17

The movement of conductor in magnetic field produces electrical current was discovered in:

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FSC Part 2 Physics Chapter 15 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 If speed of rotation of a generator is doubled the output voltage will be.
A. Remain same
B. Double
C. Four time
D. One half
2 The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
3 A simple device that prevents the direction of current from changing is called.
A. Commutator
B. Rotor
C. Armature
D. Detector
4
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
5 For step down transformer
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
6 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
7 The  Lenz's law is also statement of:
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
8 If force in the direction of velocity of conductor,  then induced current is directed,
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
9
Question Image
10 The movement of conductor in magnetic field produces electrical current was discovered in:
A. 1931
B. 1731
C. 1842
D. 1831

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