Two cells one of e.m.f. 2 volt and internal resistance of 0.5 ohm, and the other of e.m.f. 1.5 volt
and internal resistance 5 ohm are connected in parallel and used to send a current through an
external resistance of 4 ohm. Calculate the current in each part of the circuit.
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first let x be the node.
and then
sum of all the
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