Electronics: Resistors in parallel

From relation for calculating the resistance of parallel combination of resistors:


Calculate the R, if R1 = 17Ω a R2 = 20Ω

Correct answer:

R =  9.189 Ω

Step-by-step explanation:

R1=17 Ω R2=20 Ω  R=R11+R211  R=R1+R2R1 R2=17+2017 20=37340 Ω=9.189 Ω

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