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R G PUBLICATION-ELECTROMAGNETIC INDUCTION-EXERCISE
- State Lenz's law.
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- Discuss briefly various method of producing induced emf.
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- Explain the phenomenon of self induction. Define co-efficient of self ...
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- A 10 henry inductor carries a current 2A. How can a 100 volt self indu...
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- The magnetic flux through a coil of 50 turns changes from 0.3wb per tu...
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- Why are coils in resistance box double wounded?
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- State Lenz's law.
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- A wheel with 25 metallic spokes each 0.4m long is rotated with a speed...
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- Write the different use of eddy current.
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- Write in brief the basic principles behind the modern ac generator mac...
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- Draw the various stages of generating an alternating current by a loop...
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- Show that the magnetic flux through a surface of area A placed in a un...
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- Deduce an expression for the self inductance of a long solenoid, the c...
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- Current in a circuit falls from 4.8A to 0.2A in 0.1s. If an average em...
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- A pair of adjacent coils has a mutual inductance of 1.2H. If the curre...
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- What is mutual induction? What are the factors upon which it depends?
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- State len's Law of electromagnetic induction. Establish that lenz's La...
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- A current of 10A is reduced to zero at a uniform rate in 10^(-3)s. If ...
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- What is mutual induction? What are the factors upon which it depends?
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- The magnetic flux through a coil perpendicular to its plane and direct...
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