An input voltage required to deflect a beam through 3 cm in a Cathode – McqOptions

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1.	An input voltage required to deflect a beam through 3 cm in a Cathode Ray Tube having an anode Voltage of 1000 V and parallel deflecting plates 1 cm long and 0.5 cm apart, when screen is 30 cm from the center of the plates is:
A.	300 V
B.	200 V
C.	100 V
D.	75 V
Answer» D. 75 V

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