electromagnetism

Question 1

when an electric current flows, it produces

Answer 1

a magnetic field

Question 2

when a current flows through a conductor, where is the magnetic field produced?

Answer 2

a magnetic field is produced around the conductor

Question 3

what are concentric circles

Answer 3

circles that share the same centre point or midpoint, but have different radii

Question 4

the magnetic field around a straight wire is made up of

Answer 4

concentric circles, perpendicular to the wire, with the wire in the centre

Question 5

we can find out the direction of the magnetic field around a wire with the

Answer 5

right hand thumb rule

Question 6

the closer you get to the current carrying wire, the ____ magnetic field becomes

Answer 6

stronger

Question 7

increasing the magnitude of the current makes the magnetic field ____

Answer 7

stronger

Question 8

if you change the direction of the current in a current carrying wire, what happens to the direction of the magnetic field

Answer 8

it also changes

Question 9

for a wire, a circle with a dot in the centre shows that the current in the wire is travelling,

Answer 9

towards you, out of the page

Question 10

a circle with a cross int he middle shows that the current in the wire is travelling

Answer 10

away from you, into the page