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Masteriza [31]
3 years ago
8

Suppose you have a 34.9 m length of copper wire. If the wire is wrapped into a solenoid 0.240 m long and having a radius of 0.05

10 m, how strong is the resulting magnetic field in its center when the current is 11.0 A?
Physics
1 answer:
Nadusha1986 [10]3 years ago
8 0

Answer:

the strength of the magnetic field inside the solenoid is 6.278 x 10⁻³ T.

Explanation:

Given;

length of the wire, = 34.9 m

length of solenoid, L = 0.24 m

radius of the solenoid, r = 0.051 m

current in the solenoid, I = 11.0 A

The number of turns of the wire is calculated as follow;

N = \frac{34.9}{2\pi \times 0.051} = 109 \ turns

The strength of the magnetic field inside the solenoid is calculated as follows;

B = \mu_0 (\frac{N}{L} )I\\\\B = 4\pi \times 10^{-7} \times (\frac{109}{0.24} )\times 11.0 \\\\B = 6.278 \times 10^{-3} \ T

Therefore, the strength of the magnetic field inside the solenoid is 6.278 x 10⁻³ T.

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