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

The Direction of induced current is always so as to oppose the change which causes the current, is:

Question # 2

The induction can be increased by winding the wire around a core made of.

Question # 3

Energy density in an inductor is.

Question # 4

Commentator was invented by

Question # 5

Lenz's law deals with

Question # 6

The unit of induced emf is

Question # 7

The  Lenz's law is also statement of:

Question # 8

The direction of induced current is always so as to oppose the change which causes the current is:

Question # 9

The illustration of the phenomenon of mutual induction is in the device of

Question # 10

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

Question # 11

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

Question # 12

The mutual inductance of the coils depends upon.

Question # 13

When back emf in motor is zero, it draws.

Question # 14

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

Question # 15

Mutual induction has a practical role in the performance of the.

Question # 16

Electromagnetic induction is exactly according to law of:

Question # 17

For step down transformer

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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 A current generator device converts:
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
2 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above
3 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
4 Step up transformer is used.
A. Step up D.C. voltage
B. Step up A.C. voltage
C. Step up both A.C and D.C.
D. Step up A.C. current
5 Eddy current is produced when:
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
6 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
7 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
8 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
9 By winding the coil around a less magnetic core, self induction.
A. Will increase
B. Will decrease
C. Remain same
D. First increase then decrease
10 If we make magnetic field stronger the value of induced current is.
A. Decreased
B. Increased
C. Vanishes
D. Remain constant

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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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