
ERIC Number: EJ062210
Record Type: CIJE
Publication Date: 1972
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Physics Notes
School Science Review, 53, 185, 777-783, Jun 72
Short articles describe the construction and use of a probe for measuring magnetic fields, the determination of the speed of electromagnetic transmission by utilizing standard time signals relayed from an orbiting satellite, and an apparent paradox in the theory of electron deflection in cathode ray tubes. (AL)
Descriptors: Electronics, Instruction, Magnets, Physics, Science Activities, Science Equipment, Secondary School Science, Time
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