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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 core of transformer is laminated so reduce.
Question # 2
Electromagnetic induction obeys law of conservation
Question # 3
The working principle of transformer is.
Question # 4
A real transformer does not change.
Question # 5
Energy density in an inductor is.
Question # 6
When the back emf in a current is zero, it draws
Question # 7
The jerks in D.C. motor are created by the use of.
Question # 8
Output of D.C. motor is
Question # 9
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 10
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 11
Self inductance of a long solenoid is given by
Question # 12
Lenz's law is a consequence of the law of conservation of
Question # 13
When motor is just started, back emf is almost.
Question # 14
In case of inductor , energy is stored in the
Question # 15
Transformer is used to change
Question # 16
In D.C. generator, split rings act as.
Question # 17
The magnitude of motional emf is given by
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 | When the back emf in a current is zero, it draws |
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
|
| 2 | A.C is converted into D.C by |
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
|
| 3 | If force in the direction of velocity of conductor, then induced current is directed, |
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
|
| 4 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 5 | If we make magnetic field stronger the value of induced current is. |
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
|
| 6 | 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
|
| 7 | A current generator device converts: |
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
|
| 8 | By winding the coil around a less magnetic core, self induction. |
A. Will increase
B. Will decrease
C. Remain same
D. First increase then decrease
|
| 9 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
| 10 | For step down transformer |
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
|
Test Questions
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