1.

Which element(s) has no effect in the given circuit?(a) 7Ω(b) 10Ω(c) Both 7Ω and 10Ω(d) Voltage source.I had been asked this question in a national level competition.I'd like to ask this question from Source Transformations in portion Techniques of Circuit Analysis of Electric Circuits

Answer»

The correct answer is (b) 10Ω

The best explanation: VOLTAGE in SERIES with a RESISTOR in replaced by a CURRENT source but here 10Ω is in parallel. So, it is redundant and has no EFFECT.



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