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Define th SI unit of electric current. (...

Define th SI unit of electric current. (or) What is one second in SI system of units? (or) Define one ampere (S.I standard for current)

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The SI unit for electric current is the ampere
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SURA PUBLICATION-ELECTRICITY-TEXTBOOK EVALUATION (
  1. LED stands for.

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  2. MCB is used to protect house hold electrical appliances.

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  3. Define th SI unit of electric current. (or) What is one second in SI s...

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  4. One unit of electrical energy consumed is equal to 1000 kilowatt hour.

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  5. The effective resistance of three resistors connected in series is les...

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  6. Assertion: In a simple battery circuit the point of highest potential ...

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  7. Assertion: LED bulbs are far better than incandescent bulbs. Reason:...

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  8. What happens to the resistance, as the conductor is made thicker ?

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  9. Why is tungsten metal used in bulbs, but not in fuse wires ?

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  10. Name any two devices, which are working on the heating effect of the e...

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  11. What is the role of the earth wire in domestic circuits ?

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  12. State Ohm's law .

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  13. Distinguish between the resistivity and conductivity of a conductor .

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  14. What connection is used in domestic appliances and why ?

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  15. What is meant by electric current ?

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  16. Define the unit of current.

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  17. The device used to measure electric current is .

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  18. Joule law of heating is .

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  19. An alloy of nickel and chromium is used as the heating element . Why ?

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  20. How does a fuse wire protect electrical appliances ?

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