What is the strength of the solenoid's magnetic field at its center? Please check my answer....

Question

Question

(b) A solenoid with 500 turns, 0.10 mm long, carrying a current of 4.0 A and with a radius of .01m will have what strength ma

What is the strength of the solenoid's magnetic field at its center? Please check my answer.

science physics

Answer 1

Answer #1

given
N = 500 turns
L = 0.1 mm = 0.1*10^-3 m
I = 4 A
r = 0.01 m

B = mue*N*I/L

= 4*pi*10^-7*500*4/(0.1*10^-3)

= 25.133 T

yes. you are correct.

But it is not possible to have 500 turns in 0.1 mm length. There may be a typo in the question.

Answer 2

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