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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
When a motor is over loaded then the magnitude of back emf.
Question # 2
DC generator by william Sturgeon in:
Question # 3
Unit of self inductance is
Question # 4
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 5
Mutual induction has a practical role in the performance of the.
Question # 6
Commutator was invented in
Question # 7
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 8
The mutual inductance between two coils depends upon their
Question # 9
Electric current produces magnetic field, was suggested by.
Question # 10
B2/2p is the expression of.
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
The mutual inductance of the coils depends upon.
Question # 13
The Lenz's law fulfils.
Question # 14
If force in the direction of velocity of conductor, then induced current is directed,
Question # 15
By winding the coil around a less magnetic core, self induction.
Question # 16
A.C. Generator based upon the
Question # 17
Lenz's law presented 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 | In D.C. generator, split rings act as. |
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
|
| 2 | If the coil is wound on iron core, the flux through it. |
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
|
| 3 | 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
|
| 4 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
| 5 | Efficiency of transformer does not affected by |
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
|
| 6 | The movement of conductor in magnetic field produces electrical current was discovered in: |
A. 1931
B. 1731
C. 1842
D. 1831
|
| 7 | The Lenz's law is also statement of: |
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
|
| 8 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 9 | What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A? |
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
|
| 10 | The device in the circuit that consume electrical energy are known as. |
A. Dissipaters
B. Generator
C. Load
D. Motors
|
Test Questions
Share your comments & questions here
sania saeed
16 Nov 2017ye log poore number nai dete jan bhooj kar
ayesha
11 May 20172 mcqs k ans ghalat hain irrespective k wo book ki statements hain