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MCQs on CRO Exam Questions Quiz PDF Download
MCQ: To display heartbeats, wave forms and measuring voltages we use
- cathode-ray oscilloscope
MCQ: Number of electrons reaching screen determines screen's
MCQ: In an electron gun, to accelerate electrons, anode is connected to
- no potential
- both negative and positive potentials
- negative potential
- positive potential
MCQ: More negative potential in electron gun, more electrons will be
MCQ: To deflect electrons to desired positions on screen of a television tube, we use
- circuit breaker
- electric current