The magnetic field at the center of a 0.50-cm-diameter loop is 2.9 mt . part a what is the current in the loop? express your answer in amperes. i i = nothing a submitrequest answer part b a long straight wire carries the same current you found in part a. at what distance from the wire is the magnetic field 2.9 mt ? express your answer in meters. l l = nothing m submitrequest answer provide feedback next

A)I=11.35 A

B)R=0.079 cm

Explanation:

Given that

For loop:

d= 0.5 cm  ,r=0.25 cm

B=2.9 mT

A)

We know that magnetic filed in loop given as

   -----1

Now by  putting the values

I=11.35 A

B)

Magnetic filed for wire given as

   ----2

Given that B and I is same so we can say that

Form equation 1 and 2

π R= r

R=0.079 cm

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