If n resistance (each R) are connected in series then their resultant will be

n R

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R / n

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n^{2} R

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None

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Solution

The correct option is A $n R$
Equivalent resistance in series connection $R_{e q} = R_{1} + R_{2} + R_{3} + . . . . . . .$
$∴$ Resultant resistance $R_{e q} = R + R + . . . . . . n$ terms
$⟹$ $R_{e q} = n R$

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If n resistance (each R) are connected in series then their resultant will be

The correct option is A nREquivalent resistance in series connection Req=R1+R2+R3+.......∴ Resultant resistance Req=R+R+......n terms ⟹ Req=nR

The correct option is A $n R$
Equivalent resistance in series connection $R_{e q} = R_{1} + R_{2} + R_{3} + . . . . . . .$
$∴$ Resultant resistance $R_{e q} = R + R + . . . . . . n$ terms
$⟹$ $R_{e q} = n R$