Useful tips for everyday
Do you charge AGM batteries differently? Charging AGM batteries requires you to fully recharge the battery. In fact, you’re supposed to slightly over-charge the batteries…
How an op-amp can be used as voltage to current converter? An op-amp based current to voltage converter produces an output voltage when current is…
Do power banks ruin phone battery? A bad quality power bank can damage your phone’s battery, as well as your phone’s charging port. It can…
What is the resistance of good earthing? Ideally a ground should be of zero ohms resistance. There is not one standard ground resistance threshold that…
What is the current flowing through the resistor? Current through each resistor can be found using Ohm’s law I=V/R, where the voltage is constant across…
How much power can a super capacitor hold? Today, the best ultracapacitors are extremely high-power devices with power densities of up to 20kW/kg. Compact in…
How much voltage does a transistor use? Note in the formula above, that VBE(sat) is the required base voltage that must be present in order…
What makes a capacitor polarized? A polarized (“polar”) capacitor is a type of capacitor that have implicit polarity — it can only be connected one…
What is the live wire and the neutral wire and why are they important in a mains circuit? Each wire in the mains cable has…
How can oxygen concentration be measured? Oxygen saturation can be measured using a pulse oximetry device, which is a non-invasive method to measure arterial oxygen…