Question

A ball of wool is rubbed against a ball made of a novel material X. Afterwards, when the ball of wool is brought near a negatively charged rod, the rod moves away from the ball of wool. Which of the following is true?

Accepted Answer

Wool has a greater electron affinity than the novel material X.

Answer

The charged rod has a greater electron affinity than wool.

Answer

The novel material X has a greater electron affinity than wool.

Answer

Wool has a greater electron affinity than the charged rod.

Question 25 - Physics Practice Test for the HESI Exam