Bulbs and Switches 6
The switch is closed. Bulb B gets dimmer. Compare the power before and after, assuming constant resistance for all bulbs.
The switch is closed. Bulb B gets dimmer. Compare the power before and after, assuming constant resistance for all bulbs.
A) Power after is 1/3 power before
A) Power after is 1/3 power before
B) Power after is 2/3 power before
B) Power after is 2/3 power before
C) Power after is 1/2 power before
C) Power after is 1/2 power before
D) Power after is 1/4 power before
D) Power after is 1/4 power before
E) Other
E) Other