Hertzian oscillator

Hertzian oscillator

[′hərt·sē·ən ′äs·ə‚lād·ər]
(electromagnetism)
A generator of electric dipole radiation; consists of two capacitors joined by a conducting rod having a small spark gap; an oscillatory discharge occurs when the two halves of the oscillator are raised to a sufficiently high potential difference.
A dumbbell-shaped conductor in which electrons oscillate from one end to the other, producing electric dipole radiation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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For the research work required of a candidate, he extended his researches of the previous year to even higher frequencies using the damped oscillatory current from a Leyden jar (an electrical capacitor) or a Hertzian oscillator. He showed that a steel needle surrounded by a wire loop in the discharge circuit was indeed magnetized for frequencies as high as 500 million cycles per second.