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158. The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a…?
(a) Transformer
(b) Yoke
(c) Capacitor
(d) Diode
Explanation
Explanation : Twisting the yoke will tilt the picture. A projection color television uses three picture tubes and yokes for red, green and blue light.
Subject Name : General Knowledge |
Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB
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