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

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

Question # 2

Eddy current is one cause energy loss in

Question # 3

Lenz's law was given by Heinrich lenz in:

Question # 4

If force in the direction of velocity of conductor,  then induced current is directed,

Question # 5

The current induced can be increased by:

Question # 6

A current generator device converts:

Question # 7

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

Question # 8

B2/2p is the expression of.

Question # 9

Which of the following converts electrical energy into mechanical energy.

Question # 10

For step down transformer

Question # 11

The magnitude of motional emf is given by

Question # 12

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

Question # 13

EMF is induced due to change in

Question # 14

When back emf in motor is zero, it draws.

Question # 15

SI unit of hennery which is.

Question # 16

The induced emf in a coil is proportional to:

Question # 17

Output of D.C. motor 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 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero
2 The illustration of the phenomenon of mutual induction is in the device of
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
3 The only difference between the construction of D.C and A.C is.
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
4 In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
A. NwAB
B. 2pi f
C. Maximum
D. Zero
5 Eddy current is one cause energy loss in
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
6 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
7 The device in the circuit that consume electrical energy are known as.
A. Dissipaters
B. Generator
C. Load
D. Motors
8 Electric current produces magnetic field, was suggested by.
A. Faraday
B. Oersted
C. Henry
D. Lenz
9 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
10 The self induction emf is some times called.
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf

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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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