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Name the alloy which is used for making ...

Name the alloy which is used for making the filament of bulbs.

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Tungsten.
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VK GLOBAL PUBLICATION-ELECTRICITY-VERY SHORT ANSWER QUESTION
  1. Why is resistance less when resistors are joined in parallel?

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  2. Why is resistance more in series combination?

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  3. What are the special features of a heating wire?

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  4. What is the resistance of an ideal voltmeter?

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  5. Which one has more resistance 100 watt bulb or 60 watt bulb both opera...

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  6. Write the expression for the heat energy produced in a wire of resista...

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  7. Name the physical quantity whose unit is J//C.

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  8. What the resistance of an air gap?

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  9. What is the commercial unit of electric energy?

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  10. What happens to the resistance of a wire if it is made thinner?

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  11. In series combination which remains constant-current or voltage?

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  12. Which substance is used for making resistance coil of electric heater ...

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  13. Which physical quantity remains constant when resistances are connecte...

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  14. How is the ammeter connected in the circuit?

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  15. Why is an ammeter connected in series in an electric circuit?

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  16. Name two devices in which electricity is converted into heat.

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  17. Name the alloy which is used for making the filament of bulbs.

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  18. Name the instrument used for measuring potential difference.

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  19. Name the instrument used for measuring electric current flowing in an ...

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  20. The following table gives the value of electrical resistivity of some ...

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