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Define effective resistance of a number ...

Define effective resistance of a number of resistors connected in a series or parallel combination

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Equivalent resistance of a number of resistors connected in a series or parallel may be defined as the single resistance which draws the same amount of current as that of the combination of resistors.
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SUBHASH PUBLICATION-CURRENT ELECTRICITY-NUMERICAL PROBLEMS AND ANSWERS
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  12. A copper wire has 3xx 10^(22) free electrons in 0.021 m length. The dr...

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  13. A copper wire has 3xx 10^(22) free electrons in 0.021 m length. The dr...

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  14. A cube of side 0.05 m of a material of conductor is drawn into a wire ...

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  15. If the number density of electrons in a conductor is 3 xx10^(28) and t...

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  16. Two resistors 10Omega and 25Omega are connected in series and the comb...

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