Useful tips for everyday
What is the best frequency for high-pass filter? A cutoff frequency of 80 Hz with −12 dB/octave is a common setting for high-pass filters because…
How does AC power work? Both AC and DC describe types of current that flow in a circuit. This produces an electric current along the…
Why does USB-C only work one way? The reason for this behavior is simple: as [Pim] explains, although the USB-C plug has only a single…
Is XNOR not XOR? Logically, an XNOR gate is a NOT gate followed by an XOR gate. The XOR operation of inputs A and B…
What does it mean when something is floating? being buoyed up on water or other liquid. having little or no attachment to a particular place;…
What amps should a 12 volt battery read when fully charged? Most battery manufacturers recommend sizing the charger at about 25% of the battery capacity…
Does a discharging capacitor produce a magnetic field? Yes there is a magnetic field in the capacitor when an AC current passes in it .…
Can reactance and resistance add? As the current and voltage within an inductor are 90° out of phase with each other (current lags the voltage),…
Do LED lights need to be plugged into an outlet? LEDs last 25 times longer than incandescent. They just last a long time. LEDs draw…
How does an oscilloscope current probe work? Current flow through a conductor causes an electromagnetic flux field to form around the conductor. Current probes are…