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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 unit of induced emf is
Question # 2
A simple device that prevents the direction of current from changing is called.
Question # 3
Self inductance of a long solenoid is given by
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
When back emf in motor is zero, it draws.
Question # 6
Commentator was invented by
Question # 7
The device in which induced emf is statically induced emf is:
Question # 8
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 9
Step up transformer is used.
Question # 10
SI unit of hennery which is.
Question # 11
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 12
The current induced can be increased by:
Question # 13
The induction can be increased by winding the wire around a core made of.
Question # 14
A current generator device converts:
Question # 15
A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.
Question # 16
Lenz's law was given by Heinrich lenz in:
Question # 17
Eddy current is one cause energy loss 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 | With the speed of motor, magnitude of back emf |
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
|
| 2 |
|
|
| 3 | In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is. |
A. NwAB
B. 2pi f
C. Maximum
D. Zero
|
| 4 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 5 | The mutual inductance of the coils depends upon. |
A. Stiffness of the coils
B. Density of coils
C. Material of coils
D. Geometry of the coils
|
| 6 | The movement of conductor in magnetic field produces electrical current was discovered in: |
A. 1931
B. 1731
C. 1842
D. 1831
|
| 7 | The jerks in D.C. motor are created by the use of. |
A. Armature
B. Commutators
C. Split rings
D. Source of emf
|
| 8 | In D.C. generator, split rings act as. |
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
|
| 9 | Lenz's law was given by Heinrich lenz in: |
A. 1894
B. 1904
C. 1854
D. 1834
|
| 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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