If four resistances, each of value $1 o h m$ , are connected in series, what will be the resultant resistance?

3 ohm

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4 ohm

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5 ohm

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2 ohm

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Solution

The correct option is B 4 ohm
In series combination , equivalent resistance is given by-

$R = R_{1} + R_{2} + R_{3} + R_{4} + R_{5} + . . . . .$

Here there are four resistors.

$R = 1 + 1 + 1 + 1$

$⟹ R = 4 Ω$

Answer-(B)

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