Useful tips for everyday
What is a passive power supply? “passive” means that the PSU comes completely without a fan, the heat dissipation is completely being taken care of…
Where does the capacitance come from? Capacitance in electric circuits is deliberately introduced by a device called a capacitor. It was discovered by the Prussian…
How do you fix a delay light switch? This is one of those problems that you just have to work out systematically, don’t be swayed…
Does a solar panel have to be connected to a battery? The short answer is, yes you can. There are advantages to having a solar…
How do changes in supply voltage and frequency affect the performance of an induction motor? If variation in both voltage and frequency occur simultaneously, the…
What is a capacitor divider? We have seen here that a capacitor divider is a network of series connected capacitors, each having a AC voltage…
How does current flow in a NPN transistor? The NPN transistor is designed to pass electrons from the emitter to the collector (so conventional current…
Is phone a machine? Machine – an apparatus using or applying mechanical power and having several parts, each with a definite function and together performing…
What is a heat sink in nature? Under natural convection cooling, the temperature of the air within the heat sink’s fins increases due to heat…
How do I stop wireless microphone interference? To avoid microphone interference, make sure the microphone is at a low level and that it is a…