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What is an electric current ? Give its S...

What is an electric current ? Give its `SI` unit.

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The orderd flow of electric charges through a conductor is called electric current and it equal to charge flowing per unit time, i.e., current = charge/time. Its `SI` unit is an ampere (A).
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PRADEEP-ELECTRICITY-(Additional)Very Short Answer
  1. What is meant by quantization of charge ?

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  2. What is an electric current ? Give its SI unit.

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  3. What is represented by Joule/coulomb ?

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  4. A charge of 2 C moves between two plates, maintained at a pd of 1 V. W...

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  5. Why are copper wires used as connected wires ?

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  6. A wire of resistivity rho is stretched to double its length. What is i...

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  7. How many times (roughly) is the resistivity of an insulator greater th...

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  8. What is the resistance of a connecting wire ?

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  9. What is the resistance of an ammeter ?

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  10. What is the resistance of a voltmeter ?

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  11. Which has more resistance : 100 W bulb or 60 W bulb ?

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  12. Which material is the best conductor of electricity at room temperatur...

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  13. What is the resistance of an air gap ?

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  14. Why are conductors different from insulators ?

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  15. Is drift speed of electrons in a conductor carrying current the same a...

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  16. What sets the electrons into motion in an electric circuit ?

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  17. Why are filaments of incandescent lamps made of thin tungsten wire ?

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  18. Which are the metals that are generally used : (i) in electric circu...

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  19. Graphs between electric current and potential difference across two co...

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  20. Why is resistance more in series combination of resistors ?

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