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Electrochemical cell is a device which m...

Electrochemical cell is a device which maintains a constant potential difference across it ends. true false

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Name a device that help to maintain a potential difference across a conductor?

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MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. In a metal wire, electron moves from negative end to positive end and,...

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  2. For a continuous flow of current through a wire, the potential differe...

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  3. Electrochemical cell is a device which maintains a constant potential ...

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  4. symbol stands for variable resistor.

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  5. The current flows in a metal wire due to movement of electrons, wherea...

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  6. The resistance of copper is more than nichrome.

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  7. The best conductor of electricity is:

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  8. Constaitan is used as a standard resistor. Is the statement true or fa...

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

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

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

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

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

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

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

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

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

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  18. Fill ups …………xxV=W

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  19. Fill ups 1Axx1s=……………..

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  20. Fill ups Q= Ixx……………

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