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