Output Devices MCQs Quiz Online PDF Download eBook
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"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 V
- 4 V
- 3 V
- 2 V
D
MCQ: Op-amp can provide maximum output current of
- 25 mA
- 30 mA
- 35 mA
- 40 mA
A
MCQ: A device used to avoid the relay destroying the op-amp is
- diode
- LED
- reverse bias diode
- forward biased diode
C
MCQ: To limit current in LED, resistor should be connected in
- parallel
- series
- evacuated flask
- ionized tube
B
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
- 500 Ω
- 400 Ω
- 300 Ω
- 200 Ω
A