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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 movement of conductor in magnetic field produces electrical current was discovered in:
Question # 2
When the back emf in a current is zero, it draws
Question # 3
If the coil is wound on iron core, the flux through it.
Question # 4
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 5
Electric current produces magnetic field, was suggested by.
Question # 6
The unit of induced emf is
Question # 7
When motor is just started, back emf is almost.
Question # 8
If speed of rotation of a generator is doubled the output voltage will be.
Question # 9
When back emf in motor is zero, it draws.
Question # 10
The working principle of transformer is.
Question # 11
A.C is converted into D.C by
Question # 12
Lenz's law presented in
Question # 13
The device in the circuit that consume electrical energy are known as.
Question # 14
If D.C. input for step up transformer, the output is
Question # 15
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 16
Which of the following quantities remain constant in step up transformer?
Question # 17
Energy density in an inductor 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 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
| 2 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 3 | The movement of conductor in magnetic field produces electrical current was discovered in: |
A. 1931
B. 1731
C. 1842
D. 1831
|
| 4 | Which one is not present in A.C. generator. |
A. Armature
B. Magnet
C. Slip rings
D. Commutator
|
| 5 | In case of inductor , energy is stored in the |
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
|
| 6 | With the speed of motor, magnitude of back emf |
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
|
| 7 | The current induced can be increased by: |
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop bay coi of many turns
D. All of above
|
| 8 | 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
|
| 9 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 10 | Transformer is used to change |
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
|
Test Questions