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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
Self inductance of a long solenoid is given by
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
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 4
Energy stored in an inductor is:
Question # 5
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 6
When a conductor moves across a magnetic field an emf is set up this emf is called.
Question # 7
The only difference between the construction of D.C and A.C is.
Question # 8
If magnetic field is doubled then magnetic energy density becomes.
Question # 9
The mutual inductance between two coils depends upon their
Question # 10
Commentator was invented by
Question # 11
In case of inductor , energy is stored in the
Question # 12
The motional emf depends upon the
Question # 13
Electromagnetic induction is exactly according to law of:
Question # 14
A real transformer does not change.
Question # 15
When the back emf in a current is zero, it draws
Question # 16
When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in
Question # 17
A simple device that prevents the direction of current from changing is called.
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 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 2 | 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
|
| 3 | Commutator was invented in |
A. 1834
B. 1820
C. 1840
D. 1835
|
| 4 | If we make magnetic field stronger the value of induced current is. |
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
|
| 5 | If force in the direction of velocity of conductor, then induced current is directed, |
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
|
| 6 | A.C. Generator based upon the |
A. Lenz's law
B. Maxwell's relation
C. Faradays law of electromagnet induction
D. Mutual induction
|
| 7 | A current generator device converts: |
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
|
| 8 | In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is. |
A. NwAB
B. 2pi f
C. Maximum
D. Zero
|
| 9 | SI unit of hennery which is. |
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
|
| 10 | Lenz's law is a consequence of the law of conservation of |
A. Charge
B. Momentum
C. Energy
D. Angular momentum
|
Test Questions