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BINA LIBRARY-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-EXERCISE
- 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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- An alternating emf e = (10 sin 100 πt) volt where t is in second is im...
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- Calculate the total reactance if two inductor of 10mH and 50 mH are co...
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- Write down the expression for capacitive reactance.
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- Calculate the capacitive reactance if 40 mF is connected to a frequenc...
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- Write three advantages of friction ?
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- Calculate the reactance of capacitance in an AC circuit wherein the in...
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- What is power dissipation in an ac circuit in which voltage and curren...
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- what is power factor of an L-C-R circuit? Explain on the basis of powe...
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