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BINA LIBRARY-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-EXERCISE
- Is friction a contact force or non-contact force ?
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- What is electromagnetic induction?
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- State Faraday's law of electromagnetic induction.
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- Write the SI unit of magnetic flux?
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- Write the dimensions of magnetic flux and emf.
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- Name the scientist associated with the direction of induced current.
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- State Lenz's law.
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- A wire cuts across a flux of 0.2x10^(-2) weber in 0.12 second. Calcula...
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- A metallic wire 1 m in length is moving normally across a field of 0.1...
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- The magnetic flux through a coil changes from 12 mWb to 6 mWb in 0.01 ...
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- If the rate of change of current 2A second induces an emf of 40 mV in ...
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- What do you mean by self induction of a circuit?
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- Give SI unit of self induction.
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- What are the dimensions of self induction?
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- Explain the phenomenon of self induction. Define co-efficient of self ...
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- What is mutual inductance.
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- What are dimensions of mutual inductance?
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- Show that Weber = Volt Second
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- What is motional emf?
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- What is meant by rms value of alterating current?
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- Peak value of emf of an ac source is Ɛ0. What is its rms value ?
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