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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
By winding the coil around a less magnetic core, self induction.
Question # 2
In case of inductor , energy is stored in the
Question # 3
If magnetic field is doubled then magnetic energy density becomes.
Question # 4
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 5
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 6
The Si unit of Mutual inductance is:
Question # 7
SI unit of hennery which is.
Question # 8
Lenz's law is a consequence of the law of conservation of
Question # 9
Efficiency of transformer does not affected by
Question # 10
When the back emf is zero, its draws.
Question # 11
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 12
Mutual induction play role in.
Question # 13
If we make magnetic field stronger the value of induced current is.
Question # 14
The motional emf is give by
Question # 15
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 16
The device in which induced emf is statically induced emf is:
Question # 17
The device in the circuit that consume electrical energy are known as.
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 | If magnetic field is doubled then magnetic energy density becomes. |
A. Four times
B. Two times
C. Three times
D. Six times
|
| 2 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 3 | EMF is induced due to change in |
A. Charge
B. Current
C. Magnetic flux
D. Electric field
|
| 4 | The motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 5 | The movement of conductor in magnetic field produces electrical current was discovered in: |
A. 1931
B. 1731
C. 1842
D. 1831
|
| 6 | One henry is equal to |
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
|
| 7 | If force in the direction of velocity of conductor, then induced current is directed, |
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
|
| 8 | The emf induced by the motion of a conductor across a magnetic field is called: |
A. Motional emf
B. Rotational emf
C. Induced emf
D. All of above
|
| 9 | The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by |
A. I V
B. 0.25 V
C. 0.5 V
D. 0.6 V
|
| 10 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
Test Questions