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How much emf is induced in a coil of sel...

How much emf is induced in a coil of self-inductance 2H if the current in it.is changing at the rate of `2 As^(-1)` ?

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A coil of self-inductance 2H is carrying a current of 2A. Calculate the energy stored in the coil.

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OSWAAL PUBLICATION-2018 Solved Paper 1-Exercise
  1. Mention any one application of potentiometer

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  2. An aluminum piece is subjected to varying temperature. What is the eff...

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  3. How much emf is induced in a coil of self-inductance 2H if the current...

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  4. What is meant by power factor of an ac circuit?

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  5. Define polarizing angle for a material.

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  6. What are matter waves?

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  7. State Heisenberg’s uncertainty principle.

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  8. Give an example for beta^+ - decay process.

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  9. What is a transducer in communication?

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  10. Distinguish between polar and non-polar molecules.

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  11. Define mobility of electrons. How is mobility of electrosns in a condu...

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  12. Give the expression for gyromagnetic ratio of an electron revolving ro...

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  13. State Faraday's law of electromagnetic induction.

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  14. Write the relation between the magnitude of electric and magnetic fiel...

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  15. What is Doppler effect in light? Write the expression for Doppler shif...

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  16. Define the terms input resistance and current amplification factor of ...

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  17. Draw block diagram of a reciever

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  18. Mention any three properties of an electric charge.

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  19. Derive the expression for magnetic force on a conductor carrying curre...

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  20. What are eddy currents ? Mention two applications of eddy currents.

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