In a microwave oven, electrons describe circular motion in a magnetic field within a special tube called
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In a microwave oven, electrons describe circular motion in a magnetic field within a special tube called a magnetron; the electrons’ motion results in the production of microwaves.
(a) If the electrons circle at a frequency of 2.45 GHz, what’s the magnetic field strength?
(b) If the magnetron can accommodate electron orbits with maximum diameter 2.72 mm, what’s the electrons’ energy in eV?
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