You buy a “75W” light bulb. The label means that:
A. no matter how you use the bulb, the power will be 75W
B. the bulb was filled with 75W at the factory
C. the actual power dissipated will be much higher than 75W since most of the power appears as heat
D. the bulb is expected to burn out after you use up its 75W
E. none of the above
