Two identical coils are parallel to each other on the same axis. They are separa

Question

Two identical coils are parallel to each other on the same axis. They are separated by a distance equal to their radius R. They each have N turns and carry equal currents I in the same direction.


Part A
Find an expression for the magnetic field strength at the midpoint between the loops.
Express your answer in terms of the variables R, N, I, and appropriate constants.
B =(0.8)^1.5*(mu_0*N*I/R)
Answer Requested
my answers

Part B
Calculate the field strength if the loops are 10 cm in diameter, have 16 turns, and carry a 1.5 A current.
Express your answer using two significant figures.
B =


{ m mT} answer isnt 3.43 cuz i already got that ans wrong from mastering physics
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Explanation / Answer

t=NIAB B=T/NIA B=T/NI*2PIR R=10/2= 5cm B=5.3x10^-7

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