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Standard X

Physics

Ohm's Law

The equivalen...

Question

The equivalent conductance of two wires of resistance 10 ohm and 5 ohm joined together in parallel is:

\frac{50}{15}

mho

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\frac{35}{50}

mho

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0.3

mho

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\frac{2}{3}

mho

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Solution

The correct option is C $0.3$ mho
Effective resistance of the parallel combination:
$\frac{1}{R} = \frac{1}{5} + \frac{1}{10} = \frac{3}{10}$
So, conductance $= \frac{3}{10} = 0.3$ mho

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The equivalent conductance of two wires of resistance 10 ohm and 5 ohm joined together in parallel is:

The correct option is C 0.3 mhoEffective resistance of the parallel combination:1R=15+110=310So, conductance =310=0.3 mho

The correct option is C $0.3$ mho
Effective resistance of the parallel combination:
$\frac{1}{R} = \frac{1}{5} + \frac{1}{10} = \frac{3}{10}$
So, conductance $= \frac{3}{10} = 0.3$ mho