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
n=quantity of electron
A=conductor area
e=electron charge
v=drift velocity

(Asked  Partha)

Permanent link to this article:

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:

%d bloggers like this: