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in Physics by (56.2k points)
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In the circuit shown in figure, calculate

(i) the current through the arms AB, AC and CDE,

(ii) the potential difference across AB, CD and DE.

1 Answer

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by (51.5k points)
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Best answer

The equivalent resistance of the series combination is

The equivalent resistance of the parallel combination and hence circuit is given by,

If the key in the circuit is closed then only the current will flow

Total current is given by

(i) As the circuit is in parallel combination, the current gets divided into the branches in ratio with the resistances

So the current in the branch AB is

The current in the branch AC and CDE are same as they are in parallel

(ii). As the circuit is in parallel connection the potential difference across AB and CE are the same

VAB = 1.5 V

Now the potential difference across CD and CE is proportional to the resistances, so

VCE = 0.6 V

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