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FSC Part 2 Physics
Chapter 15 Test
Start Chapter 15 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 15 Online MCQ's Test
00:00
Question # 1
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 2
The working principle of transformer is.
Question # 3
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 # 4
The motional emf depends upon the
Question # 5
The application of mutual induction is a.
Question # 6
The magnitude of back emf:
Question # 7
The jerks in D.C. motor are created by the use of.
Question # 8
The negative sign with induced emf in Faraday's law is in accordance with
Question # 9
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 10
Commutator was invented by:
Question # 11
When a conductor moves across a magnetic field an emf is set up this emf is called.
Question # 12
SI unit of hennery which is.
Question # 13
The Si unit of Mutual inductance is:
Question # 14
The induction can be increased by winding the wire around a core made of.
Question # 15
Energy density in an inductor is.
Question # 16
Commentator was invented by
Question # 17
The magnitude of motional emf is given by
FSC 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 deals with |
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
|
| 2 | Commentator was invented by |
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
|
| 3 | A.C is converted into D.C by |
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
|
| 4 | If we make magnetic field stronger the value of induced current is. |
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
|
| 5 | 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
|
| 6 | Lenz's law presented in |
A. 1834
B. 1934
C. 1826
D. 1836
|
| 7 | 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
|
| 8 | The magnitude of back emf: |
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same
D. None of above
|
| 9 | 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
|
| 10 | When the back emf is zero, its draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
Test Questions