What does a rheostat control?
What does Rheostat controls? electron drift velocity or quantity of electrons? 
We know I=nAve
I=current
n=quantity of electron
A=conductor area
e=electron charge
v=drift velocity
(Asked Partha)
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Categories: alternating currents, Current Electricity, electrical appliances, Electromagnetism Tags: Barack Obama, Business, Dave Bidini, Georg Ohm, Ohm's law, Physics, Potentiometer, United States
