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

If D.C. input for step up transformer, the output is

Question # 2

Which of the following quantities remain constant in step up transformer?

Question # 3

A.C. Generator based upon the

Question # 4

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 # 5

A current generator device converts:

Question # 6

Electric current produces magnetic field, was suggested by.

Question # 7

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

Question # 8

Step up transformer is used.

Question # 9

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

Question # 10

What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?

Question # 11

The magnitude of motional emf is given by

Question # 12

When the back emf is zero, its draws.

Question # 13

Energy stored in an inductor is:

Question # 14

The mutual inductance between two coils depends upon their

Question # 15

If the coil is wound on iron core, the flux through it.

Question # 16

1 Henry =

Question # 17

The induction can be increased by winding the wire around a core made of.

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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 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 Transformer is used to change
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
3 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
4 EMF is induced due to change in
A. Charge
B. Current
C. Magnetic flux
D. Electric field
5 The induction can be increased by winding the wire around a core made of.
A. Copper
B. Silicon
C. Iron
D. Aluminum
6 The motional emf depends upon the
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
7 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
8 Mutual induction play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
9 Commutator was invented in
A. 1834
B. 1820
C. 1840
D. 1835
10 A real transformer does not change.
A. Voltage level
B. Current level
C. Power level
D. Frequency

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