The invention of the bipolar transistor in 1947 by William Shockley, John Bardeen, and Walter Brattain marked a pi...

One of the most elementary and easy-to-overlook circuit component is the switch. There are two types of switches: L...

Current The meaning of current in electronics is close to that of the current in a river.  Current is the amount of...

The hertz is defined as one cycle per second.The hertz is defined as one cycle per second. 20Hz means 20 cycle per ...