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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 direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 2
Output of D.C. motor is
Question # 3
If speed of rotation of a generator is doubled the output voltage will be.
Question # 4
Energy density in an inductor is.
Question # 5
If D.C. input for step up transformer, the output is
Question # 6
In D.C. generator, split rings act as.
Question # 7
One henry is equal to
Question # 8
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 9
the core of transformer is laminated so reduce.
Question # 10
Michael Faraday and Joseph Henry belongs to
Question # 11
A.C is converted into D.C by
Question # 12
The magnitude of motional emf is given by
Question # 13
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 14
By winding the coil around a less magnetic core, self induction.
Question # 15
A real transformer does not change.
Question # 16
When the back emf is zero, its draws.
Question # 17
The unit of induced emf is
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 | Eddy current is produced when: |
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
|
| 2 | If speed of rotation of a generator is doubled the output voltage will be. |
A. Remain same
B. Double
C. Four time
D. One half
|
| 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 | Electric current produces magnetic field, was suggested by. |
A. Faraday
B. Oersted
C. Henry
D. Lenz
|
| 5 | The only difference between the construction of D.C and A.C is. |
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
|
| 6 | The induced emf in a coil is proportional to: |
A. Magnetic flux through the coil
B. Rate of change of Magnetic flux through the coil
C. Area of the coil
D. Product of magnetic flux flux and area of the coil
|
| 7 | If D.C. input for step up transformer, the output is |
A. Zero
B. High
C. Low
D. May be high or low
|
| 8 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 9 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
| 10 | 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
|
Test Questions
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