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Question

In a circuit two or more cells of the same e.m.f are connected in parallel in order
1) Increases the pd across a resistance in the circuit
2) Decreases pd across a resistance in the circuit
3) Facilitate drawing more current from the battery system
4) Change the e.m.f across the system of batteries

A
Increases the pd across a resistance in the circuit.
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B
Decreases pd across a resistance in the circuit.
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C
Facilitate drawing more current from the battery system.
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D
Change the e.m.f across the system of batteries.
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Solution

The correct option is C Facilitate drawing more current from the battery system.
When n numbers of cells are connected in parallel then:
reff=rn
Eeff=E

I=Ern+R
Facilitating to draw more current from the battery system.

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