Magnetic Field of a Wire

What moves to create a current?

• Orsteds

• electrons

• atoms

• volts

What happens when you turn on a current in a wire?

• a magnetic field is created

• The electrons move faster

• heat and light are created

• the compasses all point north

According to this video, which two factors influence the strength of the magnetic field around a wire?

• sunlight and thermal energy

• the compass used and the air temperature

• the shape and coating of the wire

• the current and the distance from the wire

When using the Right Hand Rule, what does your thumb indicate?

• the direction of the electrical current

• the direction of the magnetic field lines

Which direction is the current flowing through the green wire?

• out of the screen towards me

• into the screen away from me