7. a) Three resistances R1
, R2
and R3
are connected to an electric cell of potential difference
V volts in parallel then
i) Plot the circuit describing the given arrangement?
ii) Write the values of current I1
, I2
, I3
flowing through the resistance R1
, R2
and R3
respectively
iii) Write the expression for total current (I) in the circuit
iv) Deduce expression for total resistance (R) for the combination
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