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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
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 2
A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.
Question # 3
1 Henry =
Question # 4
When the back emf in a current is zero, it draws
Question # 5
If the coil is wound on iron core, the flux through it.
Question # 6
Eddy current is one cause energy loss in
Question # 7
The movement of conductor in magnetic field produces electrical current was discovered in:
Question # 8
The current induced can be increased by:
Question # 9
The application of mutual induction is a.
Question # 10
The Lenz's law fulfils.
Question # 11
With the speed of motor, magnitude of back emf
Question # 12
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 13
Which of the following converts electrical energy into mechanical energy.
Question # 14
The Si unit of Mutual inductance is:
Question # 15
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 16
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 17
The Direction of induced current is always so as to oppose the change which causes the current, 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 | Lenz's law was given by Heinrich lenz in: |
A. 1894
B. 1904
C. 1854
D. 1834
|
| 2 | Efficiency of transformer does not affected by |
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
|
| 3 | EMF is induced due to change in |
A. Charge
B. Current
C. Magnetic flux
D. Electric field
|
| 4 | Self inductance of a long solenoid is given by |
D. None of the above
|
| 5 | 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
|
| 6 | Unit of self inductance is |
A. Weber
B. Tesla
C. Henry
D. Farad
|
| 7 | 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
|
| 8 | In D.C. generator, split rings act as. |
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
|
| 9 | A real transformer does not change. |
A. Voltage level
B. Current level
C. Power level
D. Frequency
|
| 10 | The magnitude of back emf: |
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same
D. None of above
|
Test Questions