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What is a Photodiode?

What is a Photodiode?: A reverse biased Semiconductor diode passes only a very small leakage current (a fraction of 1μA in silicon diodes), if the junction is exposed to light.…

What is the use of Light Emitting Diode (LED)?

What is the use of Light Emitting Diode (LED)?: What is the use of Light Emitting Diode (LED)? - The Light Emitting Diodes, Fig. 2.10 (a) is basically a semiconductor…

Different Groups of Systems of Electric Traction

Different Groups of Systems of Electric Traction: As already mentioned, systems of electric traction may be divided into two main groups. (1) The group consisting of vehicles which receive electric…

Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 4

Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 4: 150. In phase modulation, phase deviation is proportional to (a) carrier amplitude. (b) carrier phase. (c) message signal. (d) message…

Bipolar Junction Transistors (BJTs) Interview Questions and Answers

Bipolar Junction Transistors (BJTs) Interview Questions and Answers: 1. Explain why BJT is a polar device. Ans. Since both of the charge carriers (electrons and well as holes) are involved in…

Transistor Lead Identification and Testing

Transistor Lead Identification and Testing: Transistor Lead Identification and Testing - After the transistor has been manufactured, as already discussed, leads of, typically, gold, aluminium, or nickel are then attached…

Transition and Diffusion Capacitance

Transition and Diffusion Capacitance: Transition and Diffusion Capacitance - Electronic devices are inherently sensitive to very high frequencies. Most shunt capacitive effects that can be ignored at lower frequencies due…

Basic Components of Static Relays Articles

Basic Components of Static Relays Articles: Field Effect Transistor in Static Relay : Field Effect Transistor in Static Relay is a unipolar device as compared to bipolar transistor already discussed.…