Question

Four 12-ohm resistors are connected in parallel. 3 such combination are connected in series.Calculate the total circuit resistance

Answer 1

Answer:

9 ohm

Explanation:

four 12 ohm resistors are connected in parallel

therefore,

1/equivalent resistance = 1/12+1/12+1/12+1/12

1/R = 4/12

R = 3 ohm

three such combinations are connected in series

equivalent resistance in series = 3+3+3

= 9 ohm