Solenoids

Question 1

magnetic field AROUND a solenoid is similar to the field produced by a:

Answer 1

bar magnet

Question 2

soft iron core inserted into a solenoid with a current running: what is formed?

Answer 2

electromagnet

Question 3

magnetic field strength (B) is measured in:

Answer 3

Tesla (T)

Question 4

1 Tesla= ____ Gauss

Answer 4

10,000

Question 5

equation for magnetic field strength inside a solenoid?

Answer 5

B= u0NI/L

permeability of free spacenumber of turnscurrent/length of solenoid

Question 6

equation for magnetic field strength outside a current carrying wire

Answer 6

B= u0I/2pi*r

permeability of free spacecurrent/ 2piradius