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

00:00
Question # 1

Which of the following converts electrical energy into mechanical energy.

Question # 2

The current induced can be increased by:

Question # 3

In D.C. generator, split rings act as.

Question # 4

A real transformer does not change.

Question # 5

The application of mutual induction is a.

Question # 6

Eddy current is produced when:

Question # 7

Output of D.C. motor is

Question # 8

Electromagnetic induction is exactly according to law of:

Question # 9

The Si unit of Mutual inductance is:

Question # 10

For inducing emf in a coil the basic requirement is that:

Question # 11

The winding of the electromagnet in motor are usually called.

Question # 12

The motional emf depends upon the

Question # 13

If 10 A current passes through 100 mH inductor, then energy stored is.

Question # 14

Self inductance of a long solenoid is given by

Question # 15

Which one is not present in A.C. generator.

Question # 16

The negative sign with induced emf in Faraday's law is in accordance with

Question # 17

In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.

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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 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
2 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
3 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above
4 For inducing emf in a coil the basic requirement is that:
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both (b) and (c) are true
5 Lenz's law is a consequence of the law of conservation of
A. Charge
B. Momentum
C. Energy
D. Angular momentum
6 When back emf in motor is zero, it draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
7 A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 V
8 One henry is equal to
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
9 Energy density of an inductor is:
A. UM=1/2μ/B2
B. Um = 2μ/B
C. UM = 1/2B2
D. Um = 2B2
10 If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
A. Current
B. Power
C. Voltage
D. Direction of winding

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  • sania  saeed

    sania saeed

    16 Nov 2017

    ye log poore number nai dete jan bhooj kar

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  • ayesha

    ayesha

    11 May 2017

    2 mcqs k ans ghalat hain irrespective k wo book ki statements hain

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