Multiple choice

When electric current flows through a wire, it behaves like a

  1. battery

  2. motor

  3. radar

  4. magnet
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

When electric current flows through a wire, it generates a magnetic field around the wire, a phenomenon discovered by Oersted. This electromagnetic effect is the basis for electromagnets. The wire does not behave like a battery, motor, or radar.

Keep practicing — related questions