Assume: for all 200 coils, each side of the square a = 1.72 cm and the length of

Question

Assume: for all 200 coils, each side of the square a = 1.72 cm and the length of the solenoid L = 24.2 cm.
NOTE: Everything must be in MKS units!
NOTE: µo = 1.26x10-6 in MKS units (T*m/A).

a) Suppose you set the current of I = 2.81 A, and vary the number of turns of the coil (with a and L the same for each coil). Find the slope of this straight line.
T/turn

b) Suppose you use a coil with 937 turns, and vary the current I. Find:
1) n, the number of turns per length: turns/m
2)the slope of this straight line: T/A

Explanation / Answer

a) B/N = 1.26*10^-6*2.81/.242 = 1.46*10^-5 T/turn

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