Question

beth made the chart shown. which headings best complete the chart? wall clock tv remote control portable music player refrigerator table lamp hair dryer x: use dc y: use ac x: use ac y: use dc x: powered by current y: powered by magnetism x: powered by magnetism y: powered by current

Explanation:

To determine the correct headings, we analyze the devices in X and Y:

• Devices in X (Wall clock, TV remote control, Portable music player) typically use direct current (DC), often powered by batteries.
• Devices in Y (Refrigerator, Table lamp, Hair dryer) typically use alternating current (AC), connected to household power outlets.

So the first option, where X is "Use DC" and Y is "Use AC", matches this analysis.

Answer:

A. X: Use DC, Y: Use AC