Problem 20.46 A 42-cm -long solenoid, 1.8cm in diameter, is to produce a 0.030-T

Question

Problem 20.46

A 42-cm -long solenoid, 1.8cm in diameter, is to produce a 0.030-T magnetic field at its center.

Part A

If the maximum current is 5.9 A , how many turns must the solenoid have?

Express your answer using two significant figures.

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Problem 20.46

A 42-cm -long solenoid, 1.8cm in diameter, is to produce a 0.030-T magnetic field at its center.

Part A

If the maximum current is 5.9 A , how many turns must the solenoid have?

Express your answer using two significant figures.

SubmitHintsMy AnswersGive UpReview Part

N = turns

Explanation / Answer

A)
B = N*miuo*I/L
0.030 = N*(1.2566*10^-6)*5.9 / 0.42
N = 1700
Answer: 1700

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