Question

The total resistance in the parallel combination of three resistance 9 ohm , 7 ohm and 5 ohm is
O
2.29 ohm
O
1.22 ohm
0
4.22 ohm
O
2.02 ohm​

Answer 1

Answer:

the answer will be : 2.2027........

Explanation:

1/Res=1/9+1/7+1/5. (Res means Resistance)

1/Res=35+45+63/315

1/Res=143/315

Res=315/143

Res=2.2027....