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True or false Resistivity of a condu...

True or false
Resistivity of a conductor does not depend upon its temperature.

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CHETANA PUBLICATION-EFFECTS OF ELECTRIC CURRENT-EXAMPLE
  1. True or false The SI unit of electric charge is coulomb(C).

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  2. True or false The SI unit of electric current is volt(V).

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  3. True or false Resistivity of a conductor does not depend upon its ...

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  4. True or false The filament in the electric bulb is made of a wire ...

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  5. True or false The direct current always in one direction only

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  6. True or false The electric motor is used to generate electricity.

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  7. True or false During lightning, all the electrical appliances must ...

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  8. True or false Many high power rating electrical appliances can be c...

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  9. True or false Direct current has a frequency of 50 Hz in India

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  10. True or false Electric power (P)=VI

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  11. True or false According to Ohm's law,V=Ixxt

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  12. True or false The production of heat in a wire when connected to el...

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  13. True or false 1kWh=3.6xx10^9 J

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  14. True or false 1 KWh electric unit = 10 units.

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  15. True or false The device which converts electrical energy to mechan...

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  16. True or false Alternating current is perfectly used for domestic el...

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  17. True or false Many high power rating electrical appliances can be c...

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  18. True or false When a live wire and a neutral wire come in contact w...

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  19. Heat energy is being produced in a resistance in a cricuit at the rate...

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  20. Two tungsten bulbs of wattage 100 W and 60 W power work on 220 V poten...

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