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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
Lenz's law was given by Heinrich lenz in:
Question # 2
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 3
The motional emf developed in a conduction depends upon.
Question # 4
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 5
In case of inductor , energy is stored in the
Question # 6
Michael Faraday and Joseph Henry belongs to
Question # 7
Energy density of an inductor is:
Question # 8
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 # 9
A current generator device converts:
Question # 10
When the back emf is zero, its draws.
Question # 11
The motional emf is give by
Question # 12
When back emf in motor is zero, it draws.
Question # 13
The negative sign with induced emf in Faraday's law is in accordance with
Question # 14
If magnetic field is doubled then magnetic energy density becomes.
Question # 15
If we make magnetic field stronger the value of induced current is.
Question # 16
By winding the coil around a less magnetic core, self induction.
Question # 17
The movement of conductor in magnetic field produces electrical current was discovered in:
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 device in the circuit that consume electrical energy are known as. |
A. Dissipaters
B. Generator
C. Load
D. Motors
|
| 2 | If 10 A current passes through 100 mH inductor, then energy stored is. |
A. 100 J
B. 5 J
C. 20 J
D. Zero
|
| 3 | 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
|
| 4 | Self induction does not depend on |
A. Number of turns of the coil
B. Area of cross section of the core
C. Nature of material of the core
D. Current through inductor
|
| 5 | Lenz's law presented in |
A. 1834
B. 1934
C. 1826
D. 1836
|
| 6 | DC generator by william Sturgeon in: |
A. 1894
B. 1961
C. 1834
D. 1961
|
| 7 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 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 | The motional emf depends upon the |
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
|
| 10 | If we make magnetic field stronger the value of induced current is. |
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
|
Test Questions