Question

The figure shows a cross section across a long cylindrical conductor of radius a = 1.99...

The figure shows a cross section across a long cylindrical conductor of radius a = 1.99 cm carrying uniform current 24.7 A. What is the magnitude of the current's magnetic field at radial distance (a) 0, (b) 1.43 cm, (c) 1.99 cm (wire's surface), (d)3.13 cm?

Homework Answers

Answer #1

Solution;

a= 1.99 cm = 0.0199 m

I= 24.7 A

A)

When r= 0

Then the magnitude B is

B=0 T

B) when r= 1.43 cm

Then the magnitude B is

C) when r=1.99 cm on surface then the magnitude B is

d)

When r= 3.13 cm

Then the magnitude of B is

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