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Zigmanuir [339]
3 years ago
12

The work output of a machine divided by the work input is the ____ of the machine.

Physics
1 answer:
s344n2d4d5 [400]3 years ago
7 0
<span>The work output of a machine divided by the work input is the "Efficiency" of the machine.

Hope this helps!</span>
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Correct question:

A solenoid of length 0.35 m and diameter 0.040 m carries a current of 5.0 A through its windings. If the magnetic field in the center of the solenoid is 2.8 x 10⁻² T, what is the number of turns per meter for this solenoid?

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B =\mu_o  I(\frac{N}{L} )\\\\B =  \mu_o  I(n)\\\\n = \frac{B}{\mu_o I} \\\\n = \frac{2.8 \times 10^{-2}}{4 \pi \times 10^{-7} \times 5.0} \\\\n = 4.5 \times 10^3 \ turns/m

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