As an Amazon Associate I earn from qualifying purchases.

Output Devices MCQs Quiz Online PDF Download eBook

Solve Output Devices Multiple Choice Questions (MCQ), output devices quiz answers PDF worksheet, A level physics practice test for online college programs. Learn electronics Multiple Choice Questions and Answers (MCQs), "Output Devices" quiz questions and answers for GRE practice test. Learn output devices, operational amplifier, inverting amplifier in electronics test prep for SAT test.

"LED starts to conduct when voltage is about" Multiple Choice Questions (MCQ) on output devices with choices 1 v, 4 v, 3 v, and 2 v for GRE practice test. Practice output devices quiz questions for merit scholarship test and certificate programs for online college bachelor degree.

MCQs on Output Devices PDF Download eBook

MCQ: LED starts to conduct when voltage is about

  1. 1 V
  2. 4 V
  3. 3 V
  4. 2 V


MCQ: Op-amp can provide maximum output current of

  1. 25 mA
  2. 30 mA
  3. 35 mA
  4. 40 mA


MCQ: A device used to avoid the relay destroying the op-amp is

  1. diode
  2. LED
  3. reverse bias diode
  4. forward biased diode


MCQ: To limit current in LED, resistor should be connected in

  1. parallel
  2. series
  3. evacuated flask
  4. ionized tube


MCQ: If current of 20 mA is passing through op-amp and voltage drop across series resistor is 10 V then value of resistance is

  1. 500 Ω
  2. 400 Ω
  3. 300 Ω
  4. 200 Ω