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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
Efficiency of transformer does not affected by
Question # 2
The working principle of transformer is.
Question # 3
Energy stored in inductor is.
Question # 4
If magnetic field is doubled then magnetic energy density becomes.
Question # 5
By winding the coil around a less magnetic core, self induction.
Question # 6
A.C is converted into D.C by
Question # 7
The Si unit of Mutual inductance is:
Question # 8
The movement of conductor in magnetic field produces electrical current was discovered in:
Question # 9
For inducing emf in a coil the basic requirement is that:
Question # 10
For step down transformer
Question # 11
A simple device that prevents the direction of current from changing is called.
Question # 12
The self induction emf is some times called.
Question # 13
Eddy current is produced when:
Question # 14
The jerks in D.C. motor are created by the use of.
Question # 15
DC generator by william Sturgeon in:
Question # 16
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 17
The Lenz's law is also statement of:
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 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. |
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 V
|
| 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' s1ast rule
|
| 3 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
| 4 | Transformer is used to change |
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
|
| 5 | In case of inductor , energy is stored in the |
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
|
| 6 | The self induction emf is some times called. |
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
|
| 7 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
| 8 | 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
|
| 9 | The working principle of transformer is. |
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
|
| 10 | If we make magnetic field stronger the value of induced current is. |
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
|
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