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The drift velocity acquired per unit ele...

The drift velocity acquired per unit electric field is the ………………….. .

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FULL MARKS-CURRENT ELECTRICITY-Additional Questions Solved (Fill in the blanks)
  1. The flow of free electrons in a conductor constitutes ………………….. .

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  2. The rate of flow of charge through any wire is called ……………………… .

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  3. The drift velocity acquired per unit electric field is the ………………….. .

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  4. The reciprocal of resistance is ……………………….. .

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  5. The unit of specific resistance is .

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  6. The reciprocal of electrical resistivity is called ……………….. .

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  7. With increase in temperature the resistivity of metals …………………….. .

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  8. The specific resistance for the insulators is in the range of

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  9. The resistivity of semiconductors is of the order of ………………… .

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

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

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

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

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

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

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

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

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

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

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

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