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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, is:
Question # 2
Unit of self inductance is
Question # 3
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 # 4
The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by
Question # 5
Commutator was invented by:
Question # 6
Energy stored in an inductor is:
Question # 7
A.C. Generator based upon the
Question # 8
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 9
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 10
The motional emf depends upon the
Question # 11
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 12
When motor is just started, back emf is almost.
Question # 13
EMF is induced due to change in
Question # 14
The induced emf in a coil is proportional to:
Question # 15
With the speed of motor, magnitude of back emf
Question # 16
Which of the following converts electrical energy into mechanical energy.
Question # 17
Lenz's law deals with
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 induction can be increased by winding the wire around a core made of. |
A. Copper
B. Silicon
C. Iron
D. Aluminum
|
| 2 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 3 | When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in |
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
|
| 4 | 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
|
| 5 | In self induction A coil is connected in__________ with battery and a rheostat. |
A. Parallel
B. Series
C. Both A and B
D. None of above
|
| 6 | A simple device that prevents the direction of current from changing is called. |
A. Commutator
B. Rotor
C. Armature
D. Detector
|
| 7 | The motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 8 | The mutual inductance between two coils depends upon their |
A. Size
B. Core material
C. Size, core material and separation
D. Separation
|
| 9 | When motor is just started, back emf is almost. |
A. Maximum
B. Zero
C. Minimum
D. Infinite
|
| 10 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
Test Questions