In the circuit shown in Fig., find the value of the resistor R so that the lamps L1 and L2 operate at rated conditions. The rating of each of the lamps is 15 V, 10 W
1
205 Ω
2
405 Ω
3
45 Ω
4
22.5 Ω
In the circuit shown in Fig., find the value of the resistor R so that the lamps L1 and L2 operate at rated conditions. The rating of each of the lamps is 15 V, 10 W