One of the most basic tools for tinkering with electronics is a multimeter. Today, even a cheap meter has capabilities that would have been either very expensive or unobtainable back in the 1970s.

Inrush current effect is common in electric motors. Sometimes, in case of ill-designed electrical wiring systems, switching on the motor may activate the fuse. It is caused by the inrush current – ...

Current measurements are not as handy as voltage measurements. You typically need to either measure the voltage across something and do some math or break the circuit so a known resistor in your ...

Tektronix introduced the P6042 current probe in 1969, priced at $625 ($4100 in 2016 dollars). It has a probe you can clamp onto a wire carrying current. The output of the P6042 goes to an oscilloscope ...