Question 4
Source instructions: For multiple choice problems circle the right answers. Some problems may have more than one right answer. For essay problem, give explanation briefly.
A current-carrying wire is placed near a horseshoe magnet. The wire is deflected up (see figure below).
a. Explain why such a phenomenon occurs.
b. If the direction of current is reversed, what will happen?
A current-carrying wire is placed near a horseshoe magnet. The wire is deflected up (see figure below).
a. Explain why such a phenomenon occurs.
b. If the direction of current is reversed, what will happen?