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Grade upto college level Magnetism

A coaxial cable consist of an inner conductor of radius Ri, surrounded by an outer whose inner radius is Ro and outer radius is R.(i) find the wavelength=lambda associated with a frequency of w(omega)=1 radian per second.(ii) find the total capacitance and inductance of a section whose length is one wavelength.(iii)Find the resonant frequency from the lumped circuit whose L and C came from (ii) above

Profile image of Shane Macguire
12 Years agoGrade upto college level
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1 Answer

Profile image of ROSHAN MUJEEB
6 Years ago
From Ampere's law, the feild at the axis is zero. Fromx=0x=0
toR1R1, the field increases linearly as the current enclsed
increase.
Fromx=R1→R2x=R1→R2and fromx=R2→R3x=R2→R3, the field decrease
hyperbolically but with different slopes as the media are different.
Hence, the required graph is (c).