Compare microchip technologies for power management, such as voltage regulators and energy harvesting devices, and their relevance in energy-efficient IoT applications.

What are the challenges and opportunities in designing power electronic circuits for high power applications in terms of efficiency, reliability, and cost-effectiveness?

Discuss the challenges and limitations associated with miniaturizing microchips and increasing their processing power. How are these challenges being addressed by semiconductor manufacturers?

A rectifier ammeter has the following components: PMMC instrument with FSD = 200 !LA and Rm =900 n; current transformer with Ns == 600 and Np == 5; diodes with VF = 0.3 V; meter series resistance Rs =270 kn; transformer shunt secondary resistance RL =98.7 kn. Calculate the level of transformer primary current for instrumentFSD.