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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
The only difference between the construction of D.C and A.C is.
Question # 2
Lenz's law presented in
Question # 3
SI unit of hennery which is.
Question # 4
Commutator was invented by:
Question # 5
The motional emf depends upon the
Question # 6
Mutual induction has a practical role in the performance of the.
Question # 7
The device in which induced emf is statically induced emf is:
Question # 8
For inducing emf in a coil the basic requirement is that:
Question # 9
Energy density of an inductor is:
Question # 10
Energy density in an inductor is.
Question # 11
Electromagnetic induction obeys law of conservation
Question # 12
Eddy current is produced when:
Question # 13
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 14
The induced emf in a coil is proportional to:
Question # 15
The self induction emf is some times called.
Question # 16
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?
Question # 17
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
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 | The mutual inductance between two coils depends upon their |
A. Size
B. Core material
C. Size, core material and separation
D. Separation
|
| 2 | If D.C. input for step up transformer, the output is |
A. Zero
B. High
C. Low
D. May be high or low
|
| 3 | 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
|
| 4 | When a motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
| 5 | When a conductor moves across a magnetic field an emf is set up this emf is called. |
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
|
| 6 | 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
|
| 7 | With the speed of motor, magnitude of back emf |
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
|
| 8 | The self induction emf is some times called. |
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
|
| 9 | The Si unit of Mutual inductance is: |
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
|
| 10 | The jerks in D.C. motor are created by the use of. |
A. Armature
B. Commutators
C. Split rings
D. Source of emf
|
Test Questions