Various types of instruments exist for measuring both voltages and
currents. Analogue instruments indicate the readings by means of a
pointer, and electronic devices by a display of numbers.
Apart from the
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.