2nd Year Physics Chapter 15 Online MCQ Test for 12th Class Physics Chapter 15 (Electromagnetic Induction)

ICS Part 2 Physics
Chapter 15 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

The motional emf developed in a conduction depends upon.

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

SI unit of hennery which is.

Question # 6

The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by

Question # 7

In case of inductor , energy is stored in the

Question # 8

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

Question # 9

A real transformer does not change.

Question # 10

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

Question # 11

the core of transformer is laminated so reduce.

Question # 12

When motor is just started, back emf is almost.

Question # 13

split rings are used in

Question # 14

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

Question # 15

In A.C. inductor behaves as

Question # 16

Michael Faraday and Joseph Henry belongs to

Question # 17

Efficiency of transformer does not affected by

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ICS 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 If 10 A current passes through 100 mH inductor, then energy stored is.
A. 100 J
B. 5 J
C. 20 J
D. Zero
3 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
4 Energy density in an inductor is.
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field
5 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
6 B2/2p is the expression of.
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
7 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
8 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low
9 When a conductor moves across a magnetic field an emf is set up this emf is called.
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
10 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current

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