CurrentPotentiometer

The principle of a potentiometer is that the potential dropped across a segment of a wire of uniform cross-section carrying a constant current is directly proportional to its length. The potentiometer is a simple device used to measure the electrical potentials (or compare the e.m.f of a cell)


STEP 0: Pre-Calculation Summary
Formula Used
Electric Current = (Potential Gradient*Length)/Resistance
I = (x*L)/R
This formula uses 4 Variables
Variables Used
Electric Current - (Measured in Ampere) - Electric Current is the time rate of flow of charge through a cross sectional area.
Potential Gradient - (Measured in Volt per Meter) - Potential Gradient is the potential difference per unit length of wire.
Length - (Measured in Meter) - Length is the measurement or extent of something from end to end.
Resistance - (Measured in Ohm) - Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.