A solenoid that is 68 cm long produces a magnetic field of 1.4 T within its...

Question

Question

A solenoid that is 68 cm long produces a magnetic field of 1.4 T within its core when it carries a current of 8.3 A .

How many turns of wire are contained in this solenoid?

science physics

Answer 1

Answer #1

Solution)

Given,

Length of solenoid, l = 68 cm = 0.68 m

Magnetic field, B =1.4T

Current , I=8.3A

Number of turns, N =?

We know ,

Bl =μoNI

So,

N = Bl/μ0*I

= (1.4)(0.68)/4*3.14*10^-7*8.3

=91320.69 turns= 91321 turns

============

Answer 2

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