You need to know how to measure the current that flows through a component in a circuit and the voltage across it. The ammeter must be connected in series with the component – remember ...

The more charge that flows, the bigger the current ... so you may hear or see ‘voltage’ instead of ‘potential difference’. A circuit diagram showing a voltmeter in parallel with a lamp ...

Electricians know these electrical terms and you should too, especially if you plan to save money by doing basic electrical ...

Modern batteries work on the same principle as the Voltaic pile, and are a DC voltage source that ... 50 or 60 times per second, the current in DC circuits flows only in one direction.

However, increasing the voltage applied to the gate blocks the current flow between the drain and source, effectively turning the transistor "off". Transistors find extensive applications in ...

If your home is grid-connected, your electric power comes from far away. Here's how it gets from the generator to your light ...

Why a precision preamplifier is critical to low-side current-sensing performance.

Even though voltage surges occur for very brief durations, they are highly destructive, sometimes reaching several kilovolts ...