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

Try The Short Questions For 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

If area of the loop and magnetic field both are changing and still have no induced emf.Explain why?

  • Ans 1: If the plane of the loop is kept parallel to the direction of the magnetic field,magnetic field through the coil will be zero,no emf will be induced in the loop either by changing its are or by changing the magentic field.
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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

If area of the loop and magnetic field both are changing and still have no induced emf.Explain why?

  • Ans 1: If the plane of the loop is kept parallel to the direction of the magnetic field,magnetic field through the coil will be zero,no emf will be induced in the loop either by changing its are or by changing the magentic field.
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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 2

Question # 1

Define induced emf and induced current.

  • Ans 1: If a conductor moves through a magnetic field then due to change in magnetic flux,an emf is induced across the ends of the conductor which is known as back emf.If the circuit is close it will cause an electric current which is called as induced current.
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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 3

Question # 1

Can step up transformer increase the power level?

  • Ans 1: No,a step up transformer can not increase the power level,in actual transformer,due of dissipation of energy in the coil the output power is always less than input power,Therefore a step up transformer can't increase power level.
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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 4

Question # 1

Can step up transformer increase the power level?

  • Ans 1: No,a step up transformer can not increase the power level,in actual transformer,due of dissipation of energy in the coil the output power is always less than input power,Therefore a step up transformer can't increase power level.
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