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If there are two resistors in parallel and in series with a voltage source then ___________

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If there are two resistors in parallel and in series with a voltage source then ___________

(a) Parallel resistor has no effect

(b) Series resistor has no effect

(c) Both has their respective effects

(d) Both has no effect on the voltage source

The question was asked in exam.

My question is based upon Source Transformations topic in section Techniques of Circuit Analysis of Electric Circuits

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The correct option is (a) Parallel resistor has no effect

Explanation: In source transformation, the voltage source in series with a resistor to be replaced by a current source in parallel with the same resistor and vice versa. So other resistors are redundant and have no effect.

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