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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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

For step down transformer

Question # 2

DC generator by william Sturgeon in:

Question # 3

By winding the coil around a less magnetic core, self induction.

Question # 4

A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.

Question # 5

Commutator was invented in

Question # 6

The  Lenz's law is also statement of:

Question # 7

When motor is just started, back emf is almost.

Question # 8

The jerks in D.C. motor are created by the use of.

Question # 9

Self induction does not depend on

Question # 10

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.

Question # 11

The self induction emf is some times called.

Question # 12

The mutual inductance between two coils depends upon their

Question # 13

When the back emf in a current is zero, it draws

Question # 14

split rings are used in

Question # 15

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

Question # 16

If the north pole of a magnet moves away from a metallic ring

Question # 17

Electromagnetic induction is exactly according to law of:

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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 Commutator was invented in
A. 1834
B. 1820
C. 1840
D. 1835
2 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
3 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
4 EMF is induced due to change in
A. Charge
B. Current
C. Magnetic flux
D. Electric field
5 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
6 With the speed of motor, magnitude of back emf
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
7 When back emf in motor is zero, it draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
8 If 10 A current passes through 100 mH inductor, then energy stored is.
A. 100 J
B. 5 J
C. 20 J
D. Zero
9 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
10 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above

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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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