Electrical phenomena result from a fundamental property of matter - electric charge. The atoms that constitute most matter we...

Teaching Guidance 14-16

The following question, on electrical current, was set to a group of students after their 11–14 teaching on electric circuits...

Teaching Guidance 14-16

Van de Graaff generators have a reputation in schools for being “temperamental” in operation. The usual reasons for their...

Teaching Guidance 14-16