Electricity Basics Quiz

What is the unit of electric current?

What does this symbol represent in a circuit diagram?

In the equation V=I×R, what does R stand for?

What is the unit of electrical potential difference?

True or False: Current is the same at all points in a series circuit.

• True

• False

What happens to the total resistance when resistors are connected in series?

In a parallel circuit, is the voltage across each branch the same or different?

What's the equation for electrical power?

• P=I×V

• P=I²×R

What's the unit of electrical energy transferred?

How do you calculate energy transferred electrically?