engineering recuitment JVVNL Technical Helper 2022 Mock Test Electrician and Wireman Electrical Networks Resistors
Filament resistance of 20 W bulb and 40 W bulb, both rated to same voltage of operation is in the ratio
1
1 : 2
2
2 : 1
3
1 : 4
4
4 : 1
5
1 : 1