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FSC Part 2 Physics
Chapter 15 Test
Start Chapter 15 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 15 Online MCQ's Test
00:00
Question # 1
If magnetic field is doubled then magnetic energy density becomes.
Question # 2
split rings are used in
Question # 3
Eddy current is one cause energy loss in
Question # 4
Lenz's law is a consequence of the law of conservation of
Question # 5
Mutual induction has a practical role in the performance of the.
Question # 6
The Si unit of Mutual inductance is:
Question # 7
DC generator by william Sturgeon in:
Question # 8
1 Henry =
Question # 9
The induced emf in a coil is proportional to:
Question # 10
Self induction does not depend on
Question # 11
Self inductance of a long solenoid is given by
Question # 12
Eddy current is produced when:
Question # 13
The jerks in D.C. motor are created by the use of.
Question # 14
The motional emf developed in a conduction depends upon.
Question # 15
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 16
For step down transformer
Question # 17
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:
FSC 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 | A.C is converted into D.C by |
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
|
| 2 | The direction of induced current is always so as to oppose the change which causes the current is: |
A. Faraday's law
B. Lenz's law
C. Ohm's law
D. Kirchhoff's 1st rule
|
| 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 | When the back emf is zero, its draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 5 | When a motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
| 6 | If D.C. input for step up transformer, the output is |
A. Zero
B. High
C. Low
D. May be high or low
|
| 7 | If a step up transformer were 100% efficient the primary and secondary winging's would have the same. |
A. Current
B. Power
C. Voltage
D. Direction of winding
|
| 8 | The Si unit of Mutual inductance is: |
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
|
| 9 | 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
|
| 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
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sania saeed
16 Nov 2017ye log poore number nai dete jan bhooj kar
ayesha
11 May 20172 mcqs k ans ghalat hain irrespective k wo book ki statements hain