Question

Show how would you join three resistors each of resistance 9 so that the equivalent resistance of the combination is 27ohm

Answer 1

Explanation:

Series Combination:

R= R1 + R2 + R3

R= 9 + 9 + 9 = 27 ohm

Parallel Combination:

1/R = (1/R1) + (1/R2) + (1/R3)

R = 3 ohm