Problem 9: A solenoid is created by wrapping a L = 35 m long wire around a hollow tube of diameter D = 1.5 cm. The wire diameter is d = 0.95 mm. The solenoid wire is then connected to a power supply so that a current of I = 5.5 A flows through the wire. Randomized Variables L = 35 m D = 1.5 cm d = 0.95 mm I = 5.5 A Part (a) Write an expression for the number of turns, N, in the solenoid. You do not need to take into account the diameter of the wire in this calculation. Expression : N = Select from the variables below to write your expression. Note that all variables may not be required. a, B, T, 0, a, d, D, g, h, j, k, L, m, P, t Part (b) Calculate the number of turns, N, in the solenoid. Numeric : A numeric value is expected and not an expression. N = Part (c) Write an expression for the length of the solenoid (L2) in terms of the diameter of the hollow tube D, the length of the wire L and the diameter of the wire d. Assume it is constructed by using only 1 layer of loops (note that most solenoids are actually constructed with many layers, to maximize the magnetic field density). Expression : L2 =

Q: how did you get n=3?

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A: Hey dear I have uploaded the solution in step 2 and 3

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