Question

find the effective resistance 4 ohm and 12 ohm (1)in series (2)in parallel

Answer 1

4 ohm and 12 ohm in series

Rs=12+4=16 ohm

4 ohm and 12 ohm in parallel

Rp=12×4/12+4=48/16=3

Rp=3 ohm

I hope this helps ( ╹▽╹ )

Answer 2

Answer:series r1+r2==16

Parallel =r1r2/r1+r2=3

Explanation: