engineering recuitment BMC Sub Engineer Mock Test 2024 Network Theory Network Elements Circuit Elements
The ratio of resistances of two copper wire conductors whose lengths are in the ratio 1 : 4 and radii in the ratio 1 : 2 is:
1
1 : 2
2
1 : 1
3
2 : 1
4
4 : 1
5
1 : 4