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A practical current source can also be represented as ___________

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A practical current source can also be represented as ___________

(a) a resistance in parallel with an ideal voltage source

(b) a resistance in parallel with an ideal current source

(c) a resistance in series with an ideal current source

(d) none of the mentioned

This question was addressed to me in an internship interview.

Asked question is from Voltage and Current Sources topic in section Circuit Elements and Kirchhoff’s Laws of Network Theory

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Right option is (b) a resistance in parallel with an ideal current source

For explanation I would say: A practical current source could be represented with a resistor in parallel with an ideal current source.

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