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

In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is:

Question # 2

The current induced can be increased by:

Question # 3

The device in which induced emf is statically induced emf is:

Question # 4

Energy density of an inductor is:

Question # 5

Electric current produces magnetic field, was suggested by.

Question # 6

EMF is induced due to change in

Question # 7

The application of mutual induction is a.

Question # 8

Commutator was invented in

Question # 9

Energy stored in an inductor is:

Question # 10

Which of the following converts electrical energy into mechanical energy.

Question # 11

If magnetic field is doubled then magnetic energy density becomes.

Question # 12

Eddy current is produced when:

Question # 13

The Lenz's law fulfils.

Question # 14

Induced emf in A.C. generator can be increased by

Question # 15

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

Question # 16

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

Question # 17

The winding of the electromagnet in motor are usually called.

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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 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
2 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
3 Electric current produces magnetic field, was suggested by.
A. Faraday
B. Oersted
C. Henry
D. Lenz
4 When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
5 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low
6 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
7 Transformer is used to change
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
8 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
9 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
10 A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.
A. 50
B. 100
C. 150
D. 200

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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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