Scientific Ontology

I

Base SI

Electric Current

Rate of flow of electric charge; an SI base quantity.

ampere (A)

Dimension: $[\,I\,]$

How values of electric current span the physical world (in A, log scale).

Nerve impulse

10^-9 A

LED

2.00 × 10^-2 A

Household circuit

1.30 × 10¹ A

Lightning bolt

3.00 × 10⁴ A

Lower limit10^-12 AUpper limit10⁶ A

Ohm's Law

V = I R

Electrical Power

P = V I

Magnetic Force on a Wire

F = BIl\sin\theta