The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today's panels are bigger than earlier versions. They have to be, because ...

It's time for another physics example. In this case, I am going to calculate the electric field due to an electric charged rod. Of course you could do this analytically using a bit of calculus. This ...

The fuel efficiency of an electric car is measured in kilometres per kWh. It is a measure of how far the car can travel on a single unit of electricity. Calculating the fuel efficiency or mileage of ...