Useful tips for everyday
What current does a capacitor charge? When a battery is connected to a series resistor and capacitor, the initial current is high as the battery…
What is Nortons equivalent circuit? The Norton equivalent circuit is used to represent any network of linear sources and impedances at a given frequency. Norton’s…
Why are pairs of wires twisted at different angles? The idea is that the currents induced in each of the two wires are very nearly…
What does ohms law say about voltage? By simple transformation of formulae, two other equations can be written: R = V/I and I = V/R.…
Where is z1 and z2 in polar form? Because you are given the polar forms of z1 and z2, you can apply Theorem 8.4 as…
What jobs have high radiation exposure? These professions include medical radiology technicians, aircrews, radium dial luminisers, underground hard-rock miners, Chernobyl and Fukushima clean-up workers, nuclear…
What is the significance of virtual ground in op amp? In opamps the term virtual ground means that the voltage at that particular node is…
Does audio signal have negative voltage? So the sound card does not have any fixed negative voltage to refer to. The waveform of the input…
Can you convert Micro SD to USB? The MSDREADU2OTG Micro SD to USB/Micro USB Adapter lets you turn a Micro SD card into an external…
How is the temperature of a PTC heater regulated? PTC heaters utilize Positive Temperature Coefficient materials i.e. materials that exhibit a positive resistance change in…