Question

the equivalent resistance of "N" resistances each of value "r" when connected in parallel is
a)nr
b)n/r
c)n2r
d)r/n​

Answer 1

n/r is the correct answer.

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Answer 2

Answer:

The equivalent resistance of "N" resistances each of value "r" when connected in parallel is r/n​.

Explanation:

For finding the equivalent resistance in case of parallel combination of resistors-

1/R = 1/r + 1/r + 1/r +... where R is the equivalent resistance and r is the individual resistance of the resistors.

or, 1/R = N/r

or, R= r/N