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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
Induced emf in A.C. generator can be increased by
Question # 2
A.C is converted into D.C by
Question # 3
Eddy current is produced when:
Question # 4
In D.C. generator, split rings act as.
Question # 5
EMF is induced due to change in
Question # 6
Lenz's law presented in
Question # 7
Step up transformer is used.
Question # 8
SI unit of hennery which is.
Question # 9
The movement of conductor in magnetic field produces electrical current was discovered in:
Question # 10
The Lenz's law fulfils.
Question # 11
The unit of induced emf is
Question # 12
The induction can be increased by winding the wire around a core made of.
Question # 13
With the speed of motor, magnitude of back emf
Question # 14
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 15
Transformer is used to change
Question # 16
DC generator by william Sturgeon in:
Question # 17
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
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 | In D.C. generator, split rings act as. |
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
|
| 2 | Output of D.C. motor is |
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
|
| 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: |
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
|
| 4 | One henry is equal to |
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
|
| 5 | A real transformer does not change. |
A. Voltage level
B. Current level
C. Power level
D. Frequency
|
| 6 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
| 7 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 8 | 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
|
| 9 | The working principle of transformer is. |
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
|
| 10 | 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
|
Test Questions