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The graph shows the relationship between the magnetic field (B in mT) at the center of a solenoid and the current I (in A). If the
solenoid is composed of 33 turns, what is its length in cm? Given that μ = 1.26x10-6 T.m/A
B(mT)
Round your answer to 1 decimal place.
Your Answer: 0.045195
Incorrect
The answer is 46.2 ± 5%.
Y= 0.092 X + 0.2
I(A)

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