Three 3ω resistance are connected in parallel what is the equivalent resistance?

A. 1ω
B. 9ω
C. 3ω
D. 0.33ω

Correct Answer:

Option A – 1ω

Explanation

Resistor connected in a parallel have an equivalence given by

1/Reff = 1/3 + 1/3 + 1/3

= (1+1+1)/3 = 3/3 = 1

Reff = 1ω