Physics, 09.06.2021 01:40 joshbee2014
In a cathode ray tube, the electrons are produced:
(a). By applying an electric field to y-plates
(b). Gamma rays
(c). From fluorescent material
(d). By heating a cathode
Answers: 1
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In a cathode ray tube, the electrons are produced:
(a). By applying an electric field to y-plates
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