Question

Which statement describes what happens when a cell phone antenna receives a radio wave?

A. An electric current causes electrons to vibrate, which produces radio waves.
B. The wave makes electrons vibrate in the receiver, which produces an electrical current.
C. A radio current causes electrons to modulate, which produces electromagnetic waves.
D. The current makes electrons vibrate in the receiver, which produces a radio current.

Answer 1

@MelissaHolmes

Answer 2

D. I know Radio currents are produced when this happens, so this must be the answer.

Answer 3

D

Answer 4

Uh, it's asking when an antenna RECEIVES waves.