Useful tips for everyday
Why we use VA instead of watts? Both watt and VA ratings have a use and purpose. The watt rating determines the actual power purchased…
Is system on chip same as microcontroller? It’s a CPU but has an EEPROM as well. SD cards and USB devices often have microcontrollers (with…
Why do batteries have different numbers? The first two digits refer to the diameter of the battery in mm and the second two digits give…
What is the resonant frequency of a system? Resonant frequency is the oscillation of a system at its natural or unforced resonance. Resonance occurs when…
What happens to the impedance when the frequency increases? As the frequency increase, the reactance decreases. As the frequency increases, the impedance increases. These are…
What causes noise in a DC circuit? Electrical noise is the result of more or less random electrical signals getting coupled into circuits where they…
How the size of system bus affects the computer processing speed? Width of the data bus By increasing the data bus from 32-bit to 64-bit,…
Why do we need trigonometry? Trigonometry is used to set directions such as the north south east west, it tells you what direction to take…
Are LEDs brighter with more current? The more current, the brighter the LED, but there is always a maximum “running” or “constant” current, which is…
Why are electronic components expensive? As components become more advanced, they often get more expensive until they become so common that it levels out eventually.…