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ICS Part 2 Physics
Chapter 15 Test
Start Chapter 15 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 15 Online MCQ's Test
00:00
Question # 1
A.C. Generator based upon the
Question # 2
When the back emf in a current is zero, it draws
Question # 3
EMF is induced due to change in
Question # 4
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 5
The current induced can be increased by:
Question # 6
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 7
If magnetic field is doubled then magnetic energy density becomes.
Question # 8
The magnitude of motional emf is given by
Question # 9
If we make magnetic field stronger the value of induced current is.
Question # 10
Induced emf in A.C. generator can be increased by
Question # 11
In D.C. generator, split rings act as.
Question # 12
DC generator by william Sturgeon in:
Question # 13
When the back emf is zero, its draws.
Question # 14
Unit of self inductance is
Question # 15
In A.C. inductor behaves as
Question # 16
Lenz's law deals with
Question # 17
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?
ICS 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 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
| 2 | The direction of induced current is always so as to oppose the change which causes the current is: |
A. Faraday's law
B. Lenz's law
C. Ohm's law
D. Kirchhoff's 1st rule
|
| 3 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 4 | Unit of self inductance is |
A. Weber
B. Tesla
C. Henry
D. Farad
|
| 5 | A simple device that prevents the direction of current from changing is called. |
A. Commutator
B. Rotor
C. Armature
D. Detector
|
| 6 | Lenz's law is a consequence of the law of conservation of |
A. Charge
B. Momentum
C. Energy
D. Angular momentum
|
| 7 | The mutual inductance of the coils depends upon. |
A. Stiffness of the coils
B. Density of coils
C. Material of coils
D. Geometry of the coils
|
| 8 | Eddy current is one cause energy loss in |
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
|
| 9 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 10 | 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
|
Test Questions