A group of students performed the same \"Force on a Wire\" experiment that you d

Question

A group of students performed the same "Force on a Wire" experiment that you did in class. They obtained the following results.

(a) Analyze the data. (You will not submit this spreadsheet. However, the results will be needed later in this problem.)

(b) Report this value below.
slope =  

(c) Now, use the average current to determine the strength of the magnetic field B in which the experiment was carried out.
B =

Current (mA) Length (cm) Force (N) 891 4.0 0.0337 879 3.1 0.0253 892 2.0 0.0169 898 0.9 0.0084 HINT

Explanation / Answer

a )

b )

slope = F / L

= 0.845 N/m

c )

B = ( F/L ) (1 / I)

= slope / I

then

I = ( 891 + 879 + 892 + 898 ) X 10-3 / 4

= 0.89 A

B = 0.845 / 0.89

B = 0.9494 T

current length force 891 4 0.0337 879 3.1 0.0253 892 2 0.0169 898 0.9 0.0084

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