IGCSE A Level Physics Online Tests
Output Devices MCQ (Multiple Choice Questions) PDF Download
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The Output Devices Multiple Choice Questions (MCQ Quiz) with Answers PDF (Output Devices MCQ PDF e-Book) download to practice IGCSE A Level Physics Tests. Learn Electronics Multiple Choice Questions and Answers (MCQs), Output Devices quiz answers PDF to study online courses. The Output Devices MCQ App Download: Free learning app for electronic sensing system, non inverting amplifier, output devices test prep for two year degree programs.
The MCQ: Op-amp can provide maximum output current of; "Output Devices" App Download (Free) with answers: 25 mA; 30 mA; 35 mA; 40 mA; to study online courses. Practice Output Devices Quiz Questions, download Google eBook (Free Sample) for online college for teaching degree.
Output Devices MCQs: Questions and Answers PDF Download
LED starts to conduct when voltage is about
- 1 V
- 4 V
- 3 V
- 2 V
Op-amp can provide maximum output current of
- 25 mA
- 30 mA
- 35 mA
- 40 mA
A device used to avoid the relay destroying the op-amp is
- diode
- LED
- reverse bias diode
- forward biased diode
To limit current in LED, resistor should be connected in
- parallel
- series
- evacuated flask
- ionized tube
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
IGCSE A Level Physics Practice Tests
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