Category Archive: electrical appliances

Jun 30

What does a rheostat control?

What does Rheostat controls? electron drift velocity or quantity of electrons? Rheostat

We know I=nAve
I=current
n=quantity of electron
A=conductor area
e=electron charge
v=drift velocity

(Asked  Partha)

Permanent link to this article: http://www.plustwophysics.com/what-does-a-rheostat-control/

Sep 01

Where is electricity stored after it is generated but before it is supplied?

This question was posted by Chithraja. This is a common doubt arising naturally in the minds of children as well as adults who think. But they never ask, or if they ask the questions remain unanswered. I will explain the question itself first. When we switch on a bulb we get the energy. But what happens to the electricity [...]

Permanent link to this article: http://www.plustwophysics.com/where-is-electricity-stored-after-it-is-generated-but-before-it-is-supplied/

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