Which of the following describes the change in brightness of a lamp when you add more lamps in series?

Adding more lamps in series increases the brightness of one lamp

Adding more lamps in series decreases the brightness of one lamp

Adding more lamps in series does not change the brightness of one lamp

Adding one more lamp in series does not change the brightness of the first light, but adding more than one will change the brightness.

Adding more lamps in series decreases the brightness of one lamp.