Connected in series, three resistors consume the following power values: 50 watts, 30 watts, and 20 watts. The resistor dissipating 20 watts has a voltage drop of 10 volts across it. Determine the magnitude of the voltage source across which the said series combination is connected. A 60 volts; B) 40 volts; C) 30 volts; 50 volts;

Connected in series, three resistors consume the following power values: 50 watts, 30 watts, and 20 watts. The resistor dissipating 20 watts has a voltage drop of 10 volts across it. Determine the magnitude of the voltage source across which the said series combination is connected. A 60 volts; B) 40 volts; C) 30 volts; 50 volts;