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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
Energy stored in an inductor is:
Question # 2
Mutual induction play role in.
Question # 3
With the speed of motor, magnitude of back emf
Question # 4
Eddy current is produced when:
Question # 5
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 6
The unit of induced emf is
Question # 7
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 8
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 9
Lenz's law was given by Heinrich lenz in:
Question # 10
For inducing emf in a coil the basic requirement is that:
Question # 11
SI unit of hennery which is.
Question # 12
The self induction emf is some times called.
Question # 13
The working principle of transformer is.
Question # 14
The Lenz's law is also statement of:
Question # 15
Lenz's law is a consequence of the law of conservation of
Question # 16
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 17
Transformer is used to change
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 motional emf depends upon the |
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
|
| 2 | Commutator was invented in |
A. 1834
B. 1820
C. 1840
D. 1835
|
| 3 | The working principle of transformer is. |
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
|
| 4 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 5 | The Si unit of Mutual inductance is: |
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
|
| 6 | Efficiency of transformer does not affected by |
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
|
| 7 | The Direction of induced current is always so as to oppose the change which causes the current, is: |
A. Faraday's law
B. Lenz's law
C. Ohm's law
D. Kirchhoff' s1ast rule
|
| 8 | A real transformer does not change. |
A. Voltage level
B. Current level
C. Power level
D. Frequency
|
| 9 | When a conductor moves across a magnetic field an emf is set up this emf is called. |
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
|
| 10 | The device in which induced emf is statically induced emf is: |
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
|
Test Questions