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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
EMF is induced due to change in
Question # 2
A simple device that prevents the direction of current from changing is called.
Question # 3
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 4
Mutual induction has a practical role in the performance of the.
Question # 5
Lenz's law presented in
Question # 6
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 7
The movement of conductor in magnetic field produces electrical current was discovered in:
Question # 8
Commutator was invented by:
Question # 9
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 10
The jerks in D.C. motor are created by the use of.
Question # 11
When a motor is over loaded then the magnitude of back emf.
Question # 12
When back emf in motor is zero, it draws.
Question # 13
the core of transformer is laminated so reduce.
Question # 14
Lenz's law was given by Heinrich lenz in:
Question # 15
The self induction emf is some times called.
Question # 16
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:
Question # 17
Mutual induction play role in.
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 only difference between the construction of D.C and A.C is. |
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
|
| 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 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 4 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 5 | Induced emf in A.C. generator can be increased by |
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
|
| 6 | Commentator was invented by |
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
|
| 7 | If a step up transformer were 100% efficient the primary and secondary winging's would have the same. |
A. Current
B. Power
C. Voltage
D. Direction of winding
|
| 8 | A simple device that prevents the direction of current from changing is called. |
A. Commutator
B. Rotor
C. Armature
D. Detector
|
| 9 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
| 10 | The current induced can be increased by: |
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop bay coi of many turns
D. All of above
|
Test Questions
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