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When n resistors of equal resistance (R ...

When n resistors of equal resistance (R ) are connected in series, the effective resistance is …………… .

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FULL MARKS-CURRENT ELECTRICITY-Additional Questions Solved (Fill in the blanks)
  1. A toaster operating at 240 V has a resistance of 120Omega. The power i...

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  2. In the case of insulators, as the temperature decreases, resistivity ...

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  3. When n resistors of equal resistance (R ) are connected in series, the...

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

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

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

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

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  8. The reciprocal of resistance is ……………………….. .

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  9. The unit of specific resistance is .

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

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

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

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

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

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

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

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

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

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

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

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