Question

beth made the chart shown. which headings best complete the chart? x: wall clock tv remote control portable music player y: 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

Explanation:

Wall - clock, TV remote control and portable music player usually use batteries which provide direct current (DC). Refrigerator, table lamp and hair - dryer are connected to household power supply which is alternating current (AC).

Answer:

X: Use DC
Y: Use AC