Calculate the equivalent resistance when two resistances are connected in parallel of values 8 Ω, 8 Ω.(a) 3 Ω(b) 2 Ω(c) 4 Ω(d) 7 ΩThis question was addressed to me in my homework.I want to ask this question from Regenerative Braking of DC Shunt Motors topic in chapter Braking of DC Motors & Induction Motors of Electric Drives

Calculate the equivalent resistance when two resistances are connected

1.	Calculate the equivalent resistance when two resistances are connected in parallel of values 8 Ω, 8 Ω.(a) 3 Ω(b) 2 Ω(c) 4 Ω(d) 7 ΩThis question was addressed to me in my homework.I want to ask this question from Regenerative Braking of DC Shunt Motors topic in chapter Braking of DC Motors & Induction Motors of Electric Drives
Answer» Right option is (C) 4 Ω Explanation: When TWO RESISTANCES are connected in parallel their equivalent resistance is EQUAL to the harmonic mean of the individual resistances. Req=R1.R2÷(R1+R2)=8×8÷(8+8)=4 Ω.

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