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A network contains linear resistors and ideal voltage source s. If values of all the resistors are doubled, then voltage across each resistor is __________(a) Halved(b) Doubled(c) Increases by 2 times(d) Remains sameThis question was posed to me in an interview for internship.Enquiry is from Advanced Problems on Network Theorems in section Useful Theorems in Circuit Analysis of Network Theory

Answer»

The correct answer is (d) Remains same

For explanation I would say: V / R RATIO is a CONSTANT R. If R is doubled then, ELECTRIC current will become HALF. So VOLTAGE across each resistor is same.



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