ERIC Number: EJ320236
Record Type: CIJE
Publication Date: 1985
Reference Count: 0
DOING Physics--Physics Activities for Groups.
Zwicker, Earl, Ed.
Physics Teacher, v23 n5 p307-08 May 1985
Shows how an electric stud finder (available from hardware stores for $15-20) is used to detect changes in capacitance produced by changes in thickness of a medium or in dielectric constant. Also describes how to construct an inexpensive motor from a battery, rubber bands, ceramic magnet, and copper wire. (DH)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Teachers; Practitioners
Authoring Institution: N/A