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Combination of Resistors

The equivalen...

Question

The equivalent resistance between A & B in the circuit is .

A

R_{1} + R_{2}

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B

R_{1} + R_{3}

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C

R_{1} + R_{2} + R_{3}

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D

R_{2} + R_{3}

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Solution

The correct option is C $R_{1} + R_{2} + R_{3}$
Components connected in series are connected along a single path so that same current flows through all of the components.
$∴ R_{1}, R_{2} & R_{3}$ are in series & we know,
For series, $R_{e q} = R_{1} + R_{2} + R_{3} + . . . . . . . . + R_{n}$
$∴ R_{e q} = R_{1} + R_{2} + R_{3}$

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