If the V-I graph of an electric circuit passess through the points ( $y_{1}$ , $x_{1}$ ) and ( $y_{2}$ , $x_{2}$ ), what will be the resistance of the circuit?

\frac{(y_{2} - y_{1})}{(x_{2} - x_{1})}

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\frac{(y_{2} . y_{1})}{(x_{2} . x_{1})}

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\frac{(y_{2} + y_{1})}{(x_{2} + x_{1})}

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\frac{(y_{2} - x_{2})}{(y_{1} - x_{1})}

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Solution

The correct option is A $\frac{(y_{2} - y_{1})}{(x_{2} - x_{1})}$
Resistance = Slope of V-I curve = $\frac{(y_{2} - y_{1})}{(x_{2} - x_{1})}$

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