New posts in Electric Current

Tree vs lightning rod: why does one burn and the other not?

Speed of light vs speed of electricity

Is there no real current in AC?

Do electrons move around a circuit?

How many amperes are flowing in the Earth's core?

Does current run forever in water? (assuming the supply voltage is there forever)

Why are electrical units (specifically, electrical current) considered a base unit?

Why the electrons below the Fermi level do not conduct electricity?

Does Ohm's law hold in space?

Why is the return current through a printed circuit board's ground plane concentrated below the circuit trace?