This page:
http://www.allaboutcircuits.com/vol_2/chpt_12/1.html
has a number of these errors. It is alleged that "Electromechanical meter movements, whether electromagnetic or electrostatic, naturally provide the average value of a measured AC quantity." This is not true of all electromechanical movements.
For example, see:
http://www.answerbag.com/q_view/688559
http://www.eltime.co.uk/product.php/... Meters.html
http://www.allaboutcircuits.com/vol_2/chpt_12/1.html
has a number of these errors. It is alleged that "Electromechanical meter movements, whether electromagnetic or electrostatic, naturally provide the average value of a measured AC quantity." This is not true of all electromechanical movements.
For example, see:
http://www.answerbag.com/q_view/688559
http://www.eltime.co.uk/product.php/... Meters.html