CRO Exam Questions MCQ Questions Online PDF Download

Cro exam questions MCQs, cro exam questions quiz answers pdf to study high school physics for online certificate courses. Learn basic electronics Multiple Choice Questions and Answers (MCQs), "cro exam questions" quiz questions and answers for virtual high school. Learn cathode ray oscilloscope, thermionic emission, or operation, cro exam questions test prep for online education programs.

"To display heartbeats, waveforms and measuring voltages we use" Multiple Choice Questions (MCQ) on specific heat capacity with choices cystoscope, gastroscope, microscope, and cathode-ray oscilloscope for virtual high school. Free physics student portal for online learning basic electronics quiz questions for online education.

MCQs on CRO Exam Questions PDF Download

MCQ: To display heartbeats, waveforms and measuring voltages we use

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

D

MCQ: The number of electrons reaching the screen determines the screen's

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

B

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

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

D

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

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

A

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

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

C