Respuesta :
Series Resistance R = 15 + 10 = 25 ohms.
Current , I = V/R = 75/25 = 3A.
Voltage drop across the 10 ohms = 10*3 = 30 volts.
Current , I = V/R = 75/25 = 3A.
Voltage drop across the 10 ohms = 10*3 = 30 volts.