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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
Commutator was invented in
Question # 2
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 3
The self induction emf is some times called.
Question # 4
If force in the direction of velocity of conductor, then induced current is directed,
Question # 5
Energy density of an inductor is:
Question # 6
If magnetic field is doubled then magnetic energy density becomes.
Question # 7
The winding of the electromagnet in motor are usually called.
Question # 8
Michael Faraday and Joseph Henry belongs to
Question # 9
If the north pole of a magnet moves away from a metallic ring
Question # 10
When a conductor moves across a magnetic field an emf is set up this emf is called.
Question # 11
Induced emf in A.C. generator can be increased by
Question # 12
A simple device that prevents the direction of current from changing is called.
Question # 13
Energy stored in inductor is.
Question # 14
With the speed of motor, magnitude of back emf
Question # 15
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 16
Lenz's law deals with
Question # 17
B2/2p is the expression of.
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 motional emf is given by | |
| 2 | The motional emf depends upon the |
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
|
| 3 | When a motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
| 4 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 5 | 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
|
| 6 | When the back emf is zero, its draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 7 |
|
|
| 8 | In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is: |
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
|
| 9 | The magnitude of back emf: |
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same
D. None of above
|
| 10 | 1 Henry = |
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
|
Test Questions