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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
When motor is just started, back emf is almost.
Question # 2
the core of transformer is laminated so reduce.
Question # 3
Step up transformer is used.
Question # 4
When a motor is over loaded then the magnitude of back emf.
Question # 5
The Lenz's law is also statement of:
Question # 6
Self inductance of a long solenoid is given by
Question # 7
Michael Faraday and Joseph Henry belongs to
Question # 8
The self induction emf is some times called.
Question # 9
Eddy current is produced when:
Question # 10
Electric current produces magnetic field, was suggested by.
Question # 11
In A.C. inductor behaves as
Question # 12
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 # 13
SI unit of hennery which is.
Question # 14
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 15
The Si unit of Mutual inductance is:
Question # 16
1 Henry =
Question # 17
B2/2p is the expression of.
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 |
|
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
|
| 2 | 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
|
| 3 | Lenz's law was given by Heinrich lenz in: |
A. 1894
B. 1904
C. 1854
D. 1834
|
| 4 | 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
|
| 5 | A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is. |
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 V
|
| 6 | Energy density in an inductor is. |
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field
|
| 7 | 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
|
| 8 | In D.C. generator, split rings act as. |
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
|
| 9 | The direction of induced current is always so as to oppose the change which causes the current, this is the statement of |
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. Coulomb's law
|
| 10 | Commentator was invented by |
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
|
Test Questions