Examples for

# Electromagnetic Measurements

The field of electricity and magnetism uses many different physical quantities, from voltage and current to the Hartmann number and magnetic memristance. Use Wolfram|Alpha to explore these physical quantities. Calculate dimensionless combinations of electromagnetic physical quantities and compute dimensionless electrodynamic quantities. Investigate specific measuring devices.

Examine how different electromagnetic physical quantities are measured.

#### Discover how to measure different physical properties:

#### Get information on specific devices:

Determine what combinations of physical quantities can be used to construct a dimensionless expression.

#### Compute dimensionless combinations:

Explore and compute dimensionless electrodynamic quantities.

#### Get information about a dimensionless electrodynamic quantity:

#### Compute a dimensionless electrodynamic quantity:

Query for common notations, basic dimensions, standard units and alternate terminology for thousands of physical quantities.