Three resistors connected in series. Their equivalent resistance is

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R = R_{1} + R_{2} + R_{3}

\frac{1}{R} = \frac{1}{R_{1}} + \frac{1}{R_{2}} + \frac{1}{R_{3}}

R = R_{1} \times R_{2} \times R_{3}

None of these

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Detailed Solution

R = R_{1} + R_{2} + R_{3}

The equivalent resistance of three resistors connected in series is the sum of the individual resistances. For the series arrangement of resistors, the equivalent resistance is

R = R_{1} + R_{2} + R_{3}

The following circuit diagram shows the resistors connected in series;
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