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 mutual inductance between two coils depends upon their

Question # 2

Transformer is used to change

Question # 3

For inducing emf in a coil the basic requirement is that:

Question # 4

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

Question # 5

Commentator was invented by

Question # 6

The device in the circuit that consume electrical energy are known as.

Question # 7

Eddy current is produced when:

Question # 8

Step up transformer is used.

Question # 9

The magnitude of motional emf is given by

Question # 10

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

Question # 11

A current generator device converts:

Question # 12

With the speed of motor, magnitude of back emf

Question # 13

the core of transformer is laminated so reduce.

Question # 14

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

Question # 15

The direction of induced current is always so as to oppose the change which causes the current, this is the statement of

Question # 16

The direction of induced current is always so as to oppose the change which causes the current is:

Question # 17

Electromagnetic induction obeys law of conservation

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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 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
2 In D.C. generator, split rings act as.
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
3 EMF is induced due to change in
A. Charge
B. Current
C. Magnetic flux
D. Electric field
4 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
5 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
6 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
7
Question Image
8 If the coil is wound on iron core, the flux through it.
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
9
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
10 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low

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