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Hi.
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In the first part of the given problem, there is a circuit diagram having two resistors in series combination.
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The first one is having a value of 10 om.
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The second one is having a value of 20 oom.
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They are joined with a battery having a potential of 15 volt.
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In the first part of the problem, we have to find the potential difference across each resistor.
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So suppose this is v1, potential drop taking place across the first resistor, and this is v2, potential drop taking place across the second resistor.
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So to find it, first of all, we find the equivalent resistance of the circuit.
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And as this is a series combination, so the equivalent resistance comes out to be some of the two resistance values.
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So this is 10 plus 20 oom or it comes out to be 30 oom.
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Hence current passing through this circuit in series combination is given by oms law, which is epsilon by r equivalent...