plz solve both the questions with full explanation
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a) this is a wheatstone bridge...
so middle resistor is of no use
net resistance = R
b) as current will prefer the path where it has lowest resistance...
so , here current will go from the wire with no resistance
net resistance = R
so middle resistor is of no use
net resistance = R
b) as current will prefer the path where it has lowest resistance...
so , here current will go from the wire with no resistance
net resistance = R
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