
Call 1800-123-2003
"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
"Smartindia is one of the best supplementary education tool for school students." Ms Pooja, Principal
who invented electrometer? |
William Thomson (1824-1907; Lord Kelvin) developed the basic Quadrant Electrometer in 1867. The Peltier electrometer was developed by Jean Charles Peltier. The Bohnenberger electrometer was developed by J.G.F. von Bohnenberger. |