Assuming you have a 6V battery and a 1.5V flashlight bulb which draws 0.5A when the bulb voltage is 1.5V. Design a network of resistors to go between the battery and the bulb to give VS=1.5V when the...

Assuming you have a 6V battery and a 1.5V flashlight bulb which draws 0.5A when the bulb voltage is 1.5V. Design a network of resistors to go between the battery and the bulb to give V_S=1.5V when the bulb is connected yet ensures that V_S
does not rise above 2V when the bulb is disconnected.