A physical output is created when an electrical signal is converted into a physical one in the Internet of Things. A. Photo diode b. Actuator c. Sensor d. Solar Panel Solar Panel, Actuator, Photo diode, Sensor, and Photoactuator diode, or photodiode

Please answer in typing format and all subparts is compulsory for like please i need all subparts please

Describe the role of integrated circuits (ICs) in modern electronic devices. Provide examples of different types of ICs and their functions.

Demonstrate/describe how the following semiconductor devices work and give an application for each; Schottky,  Shockley, signal/power diodes, Zener diode, Photo (light receiving diode), light emitting diode (LED), variable capacitance diode (VARACTOR/VARICAP DIODE).

Draw the symbols for Light-Emitting Diode (LED) and Photodiode.

Discuss the historical development of microchips and their significance in the field of electronics.

Q: Discuss and Summarize the working and concepts related to the following electronic devices. 1. SCR 2. UJT 3. DIAC

1. Given the circuit, VA=15V (ignore the variable symbol) CR1 CR2 VA R1 R2 3.ЗК 3.ЗК a.) Which diode is in Forward Bias? Which diode is in reverse bias? b.) Measure the current and voltage across the resistor in series with the forward bias diode

b) Draw a fully labelled block diagram of a demodulator suitable for DSB-AM, DSB-SC, and SSB signals. Explain briefly it's operation, and why a simple diode detector would not have been suitable.

What is the most common way to vary the output frequency of a crystal oscillator?