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Online Short Questions For Chapter 4 "ICS Part 2 Physics Chapter 15 Short Questions Preparation "

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Physics - ICS Part 2 Physics Chapter 15 Short Questions Preparation

Question # 1

Define the SI unit of mutual inductance.

  • Ans 1: If current is changing at the rate of one ampere per second and the emf induced across the ends of the coil is one volt then inductance is called one Henry.Its SI units are VsA-1.
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Prepare Complete Set Wise Questions For Chapter 4 "ICS Part 2 Physics Chapter 15 Short Questions Preparation "

ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 1

Question # 1

Define the SI unit of mutual inductance.

  • Ans 1: If current is changing at the rate of one ampere per second and the emf induced across the ends of the coil is one volt then inductance is called one Henry.Its SI units are VsA-1.
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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 2

Question # 1

Define mutual inductance and write at least two factors at which it depends.

  • Ans 1: The ratio of average emf induced in the secondary to the time rate of changing current in the primary is called mutual inductance.
    It depends upon numbers of turn of the coil,area of cross section of the coil closeness of coil and nature of the core materials.
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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 3

Question # 1

What is DC motor?Write its principle.

  • Ans 1: AD.c motor is a device which converts D.C electrical energy into mechanical energy.The basic principle of electric motor is that a current carrying coil placed in magnetic field experiences a torque which is given by t=NIAB cos theta.
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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 4

Question # 1

A glass rod of "L"Length is moving perpendicular to the applied magnetic field P with velociety v.Explain briefly about the induced emf in it.

  • Ans 1: Induced emf is zero.As glass rod is insulator and there are no free electrons to be shifted from one extreme to the other.Therefore there will be no effect of perpendicular magnetic field.The induced emf is only produced by moving a conductor across the magnetic field.
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