Which of the following is not a source of power?
Correct answer: A. Thermocouple
- A. Thermocouple
- B. Photovoltaic cell
- C. Solar cell
- D. Photoelectric cell
Explanation
A thermocouple mainly converts a temperature difference into a small voltage for measurement, rather than serving as a practical power source. Photovoltaic, solar, and photoelectric cells convert light energy into electrical energy.
Last updated
Practise Electronics and Devices
758 free Electronics and Devices MCQs from Electrical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Electrical Engineering questions like this
Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
1 db corresponds to_____________change in power level?
A 1,000 V power supply would use_____________ as a filter capacitor?
A 10 V power supply would use ____________ as filter capacitor?
A 2-transistor class B power amplifier is commonly called ______________ amplifier?
A 25eV electron has a speed of______________?