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ICS Part 2 Physics
Chapter 15 Test
Start Chapter 15 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"
Try The 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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Time Allowed20
Physics ICS Part 2 Chapter 15 Online MCQ's Test
00:00
Question # 1
Which one is not present in A.C. generator.
Question # 2
The movement of conductor in magnetic field produces electrical current was discovered in:
Question # 3
The magnitude of back emf:
Question # 4
The motional emf depends upon the
Question # 5
The motional emf developed in a conduction depends upon.
Question # 6
Output of D.C. motor is
Question # 7
B2/2p is the expression of.
Question # 8
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 9
Mutual induction has a practical role in the performance of the.
Question # 10
Step up transformer is used.
Question # 11
A simple device that prevents the direction of current from changing is called.
Question # 12
Self induction does not depend on
Question # 13
In D.C. generator, split rings act as.
Question # 14
The Si unit of Mutual inductance is:
Question # 15
The negative sign with induced emf in Faraday's law is in accordance with
Question # 16
A real transformer does not change.
Question # 17
When a conductor moves across a magnetic field an emf is set up this emf is called.
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 | Lenz's law was given by Heinrich lenz in: |
A. 1894
B. 1904
C. 1854
D. 1834
|
| 2 | 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
|
| 3 | Unit of self inductance is |
A. Weber
B. Tesla
C. Henry
D. Farad
|
| 4 | For inducing emf in a coil the basic requirement is that: |
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both (b) and (c) are true
|
| 5 | When motor is just started, back emf is almost. |
A. Maximum
B. Zero
C. Minimum
D. Infinite
|
| 6 | A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is. |
A. 50
B. 100
C. 150
D. 200
|
| 7 | The winding of the electromagnet in motor are usually called. |
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
|
| 8 | The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be: |
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
|
| 9 | In A.C. inductor behaves as |
A. Capacitor
B. Resistor
C. Commutator
D. Transistor
|
| 10 | Transformer is used to change |
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
|
Test Questions