Which statement is most correct? A.

Electric currents and magnets each exert a force.

B.

Electric currents exert a force but magnets do not

C

Neither an electric current nor a magnet exert a force.

D

Electric currents do not exert a force but magnets do exert a force.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.