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

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Question # 1

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

Question # 2

Efficiency of transformer does not affected by

Question # 3

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

Question # 4

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

Question # 5

the core of transformer is laminated so reduce.

Question # 6

The induced emf in a coil is proportional to:

Question # 7

Unit of self inductance is

Question # 8

In D.C. generator, split rings act as.

Question # 9

Step up transformer is used.

Question # 10

If magnetic field is doubled then magnetic energy density becomes.

Question # 11

The motional emf is give by

Question # 12

The emf induced by the motion of a conductor across a magnetic field is called:

Question # 13

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

Question # 14

If a step up transformer were 100% efficient the primary and secondary winging's would have the same.

Question # 15

The movement of conductor in magnetic field produces electrical current was discovered in:

Question # 16

Energy stored in an inductor is:

Question # 17

A.C is converted into D.C by

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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 In self induction A coil is connected in__________ with battery and a rheostat.
A. Parallel
B. Series
C. Both A and B
D. None of above
3 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low
4 The magnitude of motional emf is given by
5
Question Image
6 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
7 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
8 In A.C. inductor behaves as
A. Capacitor
B. Resistor
C. Commutator
D. Transistor
9 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
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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