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The flow of free electrons in a conducto...

The flow of free electrons in a conductor constitutes ………………….. .

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FULL MARKS-CURRENT ELECTRICITY-Additional Questions Solved (Fill in the blanks)
  1. When n resistors of equal resistance (R ) are connected in series, the...

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  2. The net flow of charge at any point in the conductor is …………………….. .

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  3. The flow of free electrons in a conductor constitutes ………………….. .

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

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

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  6. The reciprocal of resistance is ……………………….. .

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  7. The unit of specific resistance is .

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

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

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

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

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

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

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

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

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

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

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

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

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

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