In communication systems, what is the purpose of modulation?


What is the primary function of a varistor in electronic circuits?


Which law describes the magnetic force between two parallel current-carrying conductors?


In control systems, what is the significance of the transfer function?


What is the main purpose of using a triac in AC power control circuits?


What is the primary difference between a MOSFET and a BJT?


In signal processing, what is the primary purpose of a Fourier transform?


Which principle explains the operation of a thermocouple in temperature measurement?