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| TITLE: |
Direct & alternating current [videorecording]. |
| SERIES: |
Electricity |
| PUBLISHED: |
Princeton, NJ : Films for Human & Sciences, Inc. ; 1987. |
| DESCRIPTION: |
1 videocassette (14 min.) : sd., col. ; 1/2 in. |
| NOTES: |
Original copy. |
| NOTES: |
Two neon lamps, one connected to a battery and the other connected to an alternating current power source, are employed to demonstrate the difference between direct current (DC) and alternating current (AC). A seleniym rectifier is used to change AC to DC and to set a model car in motion. |
| SUBJECT: |
Introductory concepts in physics. |
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Title Information
