If you increase the wattage of a bulb from 40 to 60 watts, what change in power consumption do you expect?

When the wattage of a bulb is increased from 40 to 60 watts, the power consumption increases. Power consumption in electrical devices is directly related to the wattage rating; a higher wattage indicates that the device is designed to use more electrical power while operating. In this case, moving from 40 watts to 60 watts represents an increase of 20 watts in power usage.

This change means that if the bulb operates for the same amount of time, the electrical energy consumed will also increase, leading to higher costs on the electricity bill, as well as greater overall energy usage. The increase in wattage directly translates to an increase in power consumption, making it evident that the correct answer reflects this relationship.