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)
Category: Electromagnetism
Collection of Problems received from Class 12 Physics
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Direction of magnetic field due to a current carrying conductor
“How do we know the direction of magnetic field around the current carrying conductor?” Asked Nikhil Incoming search terms:direction of magnetic field around a current carrying conductorDIRECTION OF MAGNETIC FIELD IN CURRENT CARRYING CONDUCTORmagne...