If the voltage supplied to the lighting circuit is 110 volts, how much current is drawn by a 100 watt light bulb?

Correct Answer: Option A — 0.91 amps

Applying Ohm's law and power formulas ($I = \frac{P}{V}$), dividing 100 watts by 110 volts yields approximately 0.91 amperes. This basic calculation follows IEEE 45 guidelines for determining circuit load parameters in marine lighting installations regulated under 46 CFR Subchapter J.