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Explain the following:Why are the conduc...

Explain the following:Why are the conductors of electric heating devices,such as bread toasters and electric irons, made of an alloy rather than pure metal?

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MBD-ELECTRICITY-EXAMPLE
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  2. Explain the following : Why is the tungsten used almost exclusively fo...

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  3. Explain the following:Why are the conductors of electric heating devic...

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  4. Explain the following : Why is the series arrangement not used in dome...

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

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

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

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  8. Define electric power and unit of electric power

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

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

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  11. Resistance of a conductor depends on:

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

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

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

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

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

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

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

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  19. What is power?Give commerical unit of power

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

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