Question

medsune
He
and area
А
.
wound
closely solenoid
solenoid of 500 turns
4x10-4 m² carries current
magnetic moment solenoid
of
OF CrOSS
section
2A. calculate
the
of​

Answer 1

Answer:

Given: n=800,

A=2.5×10

−4

m

2

,

I=3.0A

A magnetic field develops along the axis of the solenoid. Therefore current-carrying solenoid acts like a bar magnet.

m=nIA=800×3×2.5×10

−4

JT

−1

=0.6JT

−1

along the axis of the solenoid.