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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  • Total Questions17

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

The motional emf depends upon the

Question # 2

The motional emf developed in a conduction depends upon.

Question # 3

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

Question # 4

The self induction emf is some times called.

Question # 5

If we make magnetic field stronger the value of induced current is.

Question # 6

Step up transformer is used.

Question # 7

The Si unit of Mutual inductance is:

Question # 8

Energy stored in inductor is.

Question # 9

For step down transformer

Question # 10

Output of D.C. motor is

Question # 11

When the back emf is zero, its draws.

Question # 12

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

Question # 13

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

Question # 14

A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.

Question # 15

the core of transformer is laminated so reduce.

Question # 16

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

Question # 17

The mutual inductance of the coils depends upon.

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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 The negative sign with induced emf in Faraday's law is in accordance with
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
2 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
3 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
4 Induced emf in A.C. generator can be increased by
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
5 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
6 Eddy current is produced when:
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
7 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
8 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
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 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

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