1/Rt = 1/R1 + 1/ R2 ......n.....
1/Rt= 1/5ohm + 1/10ohm + 1/15ohm +1/20ohm
1/Rt= 12ohm + 6ohm + 4ohm +3ohm
60.
1/Rt = 25 ohm
60
Rt= 60
25
Rt= 2.4 ohm.
note: Rt is equivalent resistance.
1.6m questions
2.0m answers