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# Output Devices Multiple Choice Questions (MCQ) 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

MCQ 1:

LED starts to conduct when voltage is about

1. 1 V
2. 4 V
3. 3 V
4. 2 V
MCQ 2:

Op-amp can provide maximum output current of

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

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 4:

To limit current in LED, resistor should be connected in

1. parallel
2. series
4. ionized tube
MCQ 5:

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

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