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Explain the following : Why are copper a...

Explain the following : Why are copper and aluminium usually employed for electricity transmission?

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MBD-ELECTRICITY-EXAMPLE
  1. Explain the following : Why is the series arrangement not used in dome...

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  2. Explain the following:How does the resistance of a wire vary with its ...

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  3. Explain the following : Why are copper and aluminium usually employed ...

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  4. What is meant by Joule's heating effect due to flow of current through...

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  5. Define electric power and unit of electric power

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  6. What do you mean by electric energy ? Give the definition of its unit.

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  7. What is meant by resistance of a conductor?On what factors does the r...

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  8. Resistance of a conductor depends on:

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  9. What is ohm's law? How can it be verified?

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  10. Write ohm's law. Draw a circuit diagram to prove it experimentally in ...

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  11. What is the need of combining different resistors? What is the resulta...

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  12. Find the equivalent of resistances of the individual resistance connec...

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  13. With the help of a diagram derive the formula for the equivalent resis...

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  14. With the help of a labelled circuit diagram derive a formula to find c...

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  15. What is meant by electric power ? Give its SI unit.

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  16. What is power?Give commerical unit of power

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  17. What is electric energy ? what is its SI unit?

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  18. What is the contribution of electricity in our daily life?

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  19. What do you understand by static electricity?

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  20. What are positive and negative charges? How are these produced?

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