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a) Use Ampere's law to show that the magnetic field between the conductors of a coaxial cable (see the figure (Figure 1)) is B=μ0I/2πr , if r is greater than the radius of the inner wire and less than the radius of the outer cylindrical braid.
b) Show that B=0 outside the coaxial cable.


A Use Amperes Law To Show That The Magnetic Field Between The Conductors Of A Coaxial Cable See The Figure Figure 1 Is Bμ0I2πr If R Is Greater Than The Radius O class=