Category: Math

Internal Resistance, EMF and Electric Current – Solved Practice Problems

Internal resistance is the opposition provided to the flow of current by the cells and…

Demystifying v=ed and v=w/q: Formula Differences

Based on Coulomb's law of charge, in formula v=Ed, E is the electric field between…

The Difference Between 2πr and πr^2

The circumference of a circle is given by the equation 2 pi r. The area…