6.3 Electromagnetism

Question 1

What causes a magnetic field

Answer 1

Moving charges or permanent magenta

Question 2

What direction to magnetic field lines flow

Answer 2

North to south

Question 3

Define magnetic flux density of 1 Tesla

Answer 3

Magnetic flux density is 1T when a current of 1A is placed perpendicular to the magnetic field experiences a force of 1N per metre of its length

Question 4

What is the force on a current carting conducted effected by when places in a magnetic field

Answer 4

Current
Length of wire in magnetic field
Angle between magnetic field and wire
Strength of magnetic field