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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
For inducing emf in a coil the basic requirement is that:
Question # 2
Electromagnetic induction obeys law of conservation
Question # 3
If magnetic field is doubled then magnetic energy density becomes.
Question # 4
The Si unit of Mutual inductance is:
Question # 5
Efficiency of transformer does not affected by
Question # 6
the core of transformer is laminated so reduce.
Question # 7
The induction can be increased by winding the wire around a core made of.
Question # 8
If speed of rotation of a generator is doubled the output voltage will be.
Question # 9
The mutual inductance of the coils depends upon.
Question # 10
When motor is just started, back emf is almost.
Question # 11
The only difference between the construction of D.C and A.C is.
Question # 12
The motional emf developed in a conduction depends upon.
Question # 13
What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?
Question # 14
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 15
With the speed of motor, magnitude of back emf
Question # 16
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 17
A simple device that prevents the direction of current from changing is called.
ICS Part 2 Physics Chapter 15 Online Test MCQ's
Top Scorers Of Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test" MCQ`s Test
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A Amna Altaf 21 - Jan - 2025 01 Min 48 Sec 17/17 -
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by |
A. I V
B. 0.25 V
C. 0.5 V
D. 0.6 V
|
| 2 | When a conductor moves across a magnetic field an emf is set up this emf is called. |
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
|
| 3 | When a motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
| 4 | Commutator was invented by: |
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
|
| 5 | When the back emf in a current is zero, it draws |
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
|
| 6 | When back emf in motor is zero, it draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 7 | Output of D.C. motor is |
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
|
| 8 | If the north pole of a magnet moves away from a metallic ring |
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
|
| 9 | The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be: |
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
|
| 10 | Induced emf in A.C. generator can be increased by |
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
|
Test Questions
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