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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
A.C is converted into D.C by
Question # 2
Lenz's law deals with
Question # 3
The Lenz's law is also statement of:
Question # 4
If the north pole of a magnet moves away from a metallic ring
Question # 5
Mutual induction has a practical role in the performance of the.
Question # 6
Commutator was invented in
Question # 7
Michael Faraday and Joseph Henry belongs to
Question # 8
The jerks in D.C. motor are created by the use of.
Question # 9
The induced emf in a coil is proportional to:
Question # 10
Energy density of an inductor is:
Question # 11
The application of mutual induction is a.
Question # 12
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 13
The unit of induced emf is
Question # 14
Energy stored in an inductor is:
Question # 15
Lenz's law presented in
Question # 16
Step up transformer is used.
Question # 17
The Direction of induced current is always so as to oppose the change which causes the current, is:
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 | The magnitude of back emf: |
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same
D. None of above
|
| 2 | Efficiency of transformer does not affected by |
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
|
| 3 | A.C is converted into D.C by |
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
|
| 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 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
| 6 | The motional emf developed in a conduction depends upon. |
A. Length
B. Orientation
C. Magnetic field
D. All of the above
|
| 7 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 8 | 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
|
| 9 | 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
|
| 10 | 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
|
Test Questions
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sania saeed
16 Nov 2017ye log poore number nai dete jan bhooj kar
ayesha
11 May 20172 mcqs k ans ghalat hain irrespective k wo book ki statements hain