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

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

Question # 2

One henry is equal to

Question # 3

The  Lenz's law is also statement of:

Question # 4

A current generator device converts:

Question # 5

The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:

Question # 6

The self induction emf is some times called.

Question # 7

Commentator was invented by

Question # 8

The mutual inductance of the coils depends upon.

Question # 9

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

Question # 10

The motional emf developed in a conduction depends upon.

Question # 11

A.C is converted into D.C by

Question # 12

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

Question # 13

Unit of self inductance is

Question # 14

The magnitude of motional emf is given by

Question # 15

The magnitude of back emf:

Question # 16

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

Question # 17

Energy density of an inductor 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 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
2 The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. Coulomb's law
3 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
4 The only difference between the construction of D.C and A.C is.
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
5 The emf induced by the motion of a conductor across a magnetic field is called:
A. Motional emf
B. Rotational emf
C. Induced emf
D. All of above
6 Energy density of an inductor is:
A. UM=1/2μ/B2
B. Um = 2μ/B
C. UM = 1/2B2
D. Um = 2B2
7 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
8 The mutual inductance of the coils depends upon.
A. Stiffness of the coils
B. Density of coils
C. Material of coils
D. Geometry of the coils
9 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
10 Lenz's law presented in
A. 1834
B. 1934
C. 1826
D. 1836

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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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