Description: Multi-Version Exercise 28.85 The loop shown in the figure is carryi
ID: 2297395 • Letter: D
Question
Description: Multi-Version Exercise 28.85
The loop shown in the figure is carrying a current of 4.899A, and the distance r=1.723m. What is the magnitude of the magnetic field at point P inside the loop?
Please include a multiplication sign (*) to indicate that two units are being multiplied.
The loop shown in the figure is carrying a current of 4.899A, and the distance r=1.723m. What is the magnitude of the magnetic field at point P inside the loop?
Please include a multiplication sign (*) to indicate that two units are being multiplied.
Explanation / Answer
Bnet = B1(semi circle) + B2(quarter circle) + B3(quarter cirlce)
= (1/2)*mue*I/(2*3*r) + (1/4)*mue*I/(2*2*r) + (1/4)*mue*I/(2*r)
= mue*I/(12*r) + mue*I/(16*r) + mue*I/(8*r)
= 0.27083*(mue*I/r)
= 0.27083*(4*pi*10^-7*4.8999/1.723)
= 9.677*10^-7 T