CRO Exam Questions Questions and Answers PDF Book Download

Cro exam questions MCQs, cro exam questions quiz answers for online high school courses. Basic electronics multiple choice questions (MCQs), cro exam questions quiz questions and answers for online school degrees. Cathode ray oscilloscope, thermionic emission, or operation, cro exam questions test prep for high school teacher certification.

Learn physics MCQs: to display heartbeats, wave forms and measuring voltages we use, with choices cystoscope, gastroscope, microscope, and cathode-ray oscilloscope for online school degrees. Free physics student portal for online learning cro exam questions quiz questions, MCQs to find questions answers based online learning tests.

MCQ on CRO Exam Questions PDF Book Download

MCQ: To display heartbeats, wave forms and measuring voltages we use

  1. cystoscope
  2. gastroscope
  3. microscope
  4. cathode-ray oscilloscope


MCQ: Number of electrons reaching screen determines screen's

  1. size
  2. brightness
  3. frequency
  4. amplitude


MCQ: In an electron gun, to accelerate electrons, anode is connected to

  1. no potential
  2. both negative and positive potentials
  3. negative potential
  4. positive potential


MCQ: More negative potential in electron gun, more electrons will be

  1. repel
  2. attract
  3. destroy
  4. formed


MCQ: To deflect electrons to desired positions on screen of a television tube, we use

  1. circuit breaker
  2. electric current
  3. electromagnets
  4. fuse