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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 current generator device converts:
Question # 2
In A.C. inductor behaves as
Question # 3
Electric current produces magnetic field, was suggested by.
Question # 4
A real transformer does not change.
Question # 5
Transformer is used to change
Question # 6
Induced emf in A.C. generator can be increased by
Question # 7
Which of the following converts electrical energy into mechanical energy.
Question # 8
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 9
Lenz's law deals with
Question # 10
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 11
If we make magnetic field stronger the value of induced current is.
Question # 12
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 13
For inducing emf in a coil the basic requirement is that:
Question # 14
The unit of induced emf is
Question # 15
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 16
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.
Question # 17
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field 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 | Step up transformer is used. |
A. Step up D.C. voltage
B. Step up A.C. voltage
C. Step up both A.C and D.C.
D. Step up A.C. current
|
| 2 | The winding of the electromagnet in motor are usually called. |
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
|
| 3 | When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in |
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
|
| 4 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 5 | Energy stored in inductor is. |
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
|
| 6 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 7 | 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
|
| 8 | The negative sign with induced emf in Faraday's law is in accordance with |
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
|
| 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 |
|
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
|
Test Questions