If 10 cells each of 1.4 volts are connected in parallel, their equivalent potential difference will be :

1.4

volts

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0.14

volts

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14

volts

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\frac{10}{1.4}

volts

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Solution

The correct option is A $1.4$ volts
Given all the cells are connected in parallel and also all are ideal cell that is they don't have resistance.
Suppose all the cells are connected between two points A and B .
Then potential difference between A and B will be $[V_{a} - V_{b}]$
$[V_{a} - V_{b}]$ will be equal to the EMF of the cells i.e. 1.4 volts ( by going along any of the path we can find this by applying Kirchhoff's law)

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