Fields

Question 1

What is coulomb’s law?

Answer 1

The electrostatic force between 2 charges varies directly with the product of the size of the charges and inversely proportional to the square of the distance between them

Question 2

What is an electronvolt (ev)?

Answer 2

The work done or energy required to more a single electron through a potential difference of 1v.

Question 3

What are magnetic fields?

Answer 3

A region where a moving charge experiences a force.

Question 4

What is the equation . For magnetic fields?

Answer 4

F=BIlsin(theta)

Question 5

What is B the symbol fer?

Answer 5

Magnetic induction (t)

Question 6

What happens in ferromagnetic materials?

Answer 6

The domains line up and create a strong magnetic field

Question 7

What is the equation for the magnetic induction around a current carrying conductor?

Answer 7

B=uoI/2pir

Question 8

What is uo?

Answer 8

The permeability of free space, it has a value of 4(3.14)x10 (-7) tm per A