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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 induction can be increased by winding the wire around a core made of.
Question # 2
When the back emf is zero, its draws.
Question # 3
1 Henry =
Question # 4
When motor is just started, back emf is almost.
Question # 5
Commentator was invented by
Question # 6
Self induction does not depend on
Question # 7
The Lenz's law is also statement of:
Question # 8
If magnetic field is doubled then magnetic energy density becomes.
Question # 9
When the back emf in a current is zero, it draws
Question # 10
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 11
Energy stored in an inductor is:
Question # 12
A real transformer does not change.
Question # 13
The negative sign with induced emf in Faraday's law is in accordance with
Question # 14
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:
Question # 15
Mutual induction has a practical role in the performance of the.
Question # 16
The self induction emf is some times called.
Question # 17
The motional emf depends upon the
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 | 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. |
A. 50
B. 100
C. 150
D. 200
|
| 2 | Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V? |
A. 45 V
B. 15 V
C. 90 V
D. 300 V
|
| 3 | Electric current produces magnetic field, was suggested by. |
A. Faraday
B. Oersted
C. Henry
D. Lenz
|
| 4 | Self inductance of a long solenoid is given by |
D. None of the above
|
| 5 | Lenz's law deals with |
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
|
| 6 | EMF is induced due to change in |
A. Charge
B. Current
C. Magnetic flux
D. Electric field
|
| 7 | The motional emf depends upon the |
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
|
| 8 | A simple device that prevents the direction of current from changing is called. |
A. Commutator
B. Rotor
C. Armature
D. Detector
|
| 9 | The Si unit of Mutual inductance is: |
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
|
| 10 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
Test Questions