Two light bulbs are connected to a battery, one at a time. The bulb that draws more current has the
A)lower resistance, and is brightest.
B)lower resistance, but is dimmer.
C)higher resistance, and is brightest.
D)higher resistance, but is dimmer.
E)none of the above

Question

Quizplus · Accepted Answer

The bulb that draws more current has a lower resistance according to Ohm's Law (V = IR), and because power (P = IV) increases with current, it will be brighter.

Two Light Bulbs Are Connected to a Battery, One at a Time