One of Maxwell's equations describes how this physical quantity produces a magnetic field.
One of Maxwell's equations describes how this physical quantity produces a magnetic field. A diode allows it to flow in only one direction. It equals (*) voltage over resistance according to Ohm's law, and comes in alternating and direct types. For 10 points, name this quantity whose units are amperes, and which measures the rate of charge flowing in a circuit.
One of Maxwell's equations describes how this physical quantity produces a magnetic field.
electric current [accept direct current; prompt on \"DC\"]