MPSC PYQScienceElectricity Numerical Worksheetenglish

If two resistors are connected in parallel their resultant resistance is 45 Ω and if the same two resistors are connected in parallel their resultant resistance is 10 Ω Which of the following are the resistances?

A.25 Ω , 20 Ω
B.28Ω, 7Ω
C.10 Ω, 20 Ω
D.30 Ω ,15Ω

Correct answer: D

Source paper

Electricity Numerical Worksheet

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