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The resistivity of a substance depends o...

The resistivity of a substance depends on its length and area of cross section. Is the statement true or false.

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MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. Constaitan is used as a standard resistor. Is the statement true or fa...

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  2. Electrical conductance of metals decreases with increase in temperatur...

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  3. The resistivity of a substance depends on its length and area of cross...

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  4. Ohm's law is a universal law. Is this statement true.

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  5. The following graph is for ohmic conductor. .Is this statement true.

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  6. Argon or nitrogen is filled up in place of air in bulb to increase the...

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  7. Show 1 watt=(1 ampere)xx(1 volt)

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  8. What is meant by the BOTU (or Board of Trade unit) of electric energy?

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  9. From rated value of power and potential difference the resistance of t...

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  10. Fill ups Electric potential at a point is the …………….in moving a ………….....

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  11. Fill ups …………xxV=W

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  12. Fill ups 1Axx1s=……………..

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  13. Fill ups Q= Ixx……………

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  14. Fill ups Electric current through an area is the amount of ………….flowin...

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  15. Fill ups The current flowing through a conductor is directly proportio...

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  16. Fill ups V=Ixx………….

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  17. Fill ups The S.I unit of resistance is……………and is denoted by…………… .

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  18. Fill ups The resistance of a conductor depends on……………..and…………….

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  19. Fill ups The S.I unit of resistivity is…………….. .

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  20. Fill ups Electric iron, electric toaster, electric oven, electric kett...

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