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Conductors turn into superconductors at ...

Conductors turn into superconductors at ……………………. .

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low temperatures
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Define super conductors.

Define super conductors.

Mercury becomes a superconductor at …………………. .

The resistance of superconductors is …………………….. .

What are superconductors?

What is conductor ?

The temperature at which normal conductor is converted into super conductors is _______

What are conductors?

With increase of temperature, resistance of conductors ……………………….. .

FULL MARKS-CURRENT ELECTRICITY-Additional Questions Solved (Fill in the blanks)
  1. The resistivity of semiconductors is of the order of ………………… .

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  2. The materials which conduct electricity at zero resistance are called ...

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  3. Conductors turn into superconductors at ……………………. .

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  4. The resistance of superconductors is …………………….. .

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  5. The phenomenon of superconductivity was discovered by ………………………. .

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  6. Mercury becomes a superconductor at …………………. .

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  7. With increase of temperature, resistance of conductors ……………………….. .

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  8. In insulators and semiconductors, as temperature increases, resistance...

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  9. A material with a negative temperature coefficient is called a …………………...

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  10. the temperature co-efficient of resistance for alloys is

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  11. The electric current in an external circuit flows from the ………………….. .

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  12. In the electrolytic cell, current flows from …………………. .

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  13. A freshly prepared cell has ………………… internal resistance.

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  14. State the sign convention for applying Kirchhoff's first rule.

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  15. The current law states that the algebraic sum of the currents meeting ...

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  16. Current law is a consequence of conservation of …………………….. .

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  17. Sate Kirchhoff's voltage rule.

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  18. Kirchhoff's second law is a consequence of conservation of …………….. .

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  19. Wheatstone bridge is used for ………………… .

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  20. ………………… is a form of Wheatstone's bridge.

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