Consider a coaxial cable, which consists of a thin wire inside a thin cylindrical conducting shell, as illustrated in the figure. The central wire carries a current I, = 10 A inwards, while the outer cylindrical shell carries a curren outwards with a uniform current density Jo. The outer shell has a thickness of a = 1 mm and a radius of R = 5/3 cm. Assuming that a < R, determine the value of J, required to achieve a zero magnetic field outside the cable. [Take π = 3]
Consider a coaxial cable, which consists of a thin wire inside a thin cylindrical conducting shell, as illustrated in the figure. The central wire carries a current I, = 10 A inwards, while the outer cylindrical shell carries a curren outwards with a uniform current density Jo. The outer shell has a thickness of a = 1 mm and a radius of R = 5/3 cm. Assuming that a < R, determine the value of J, required to achieve a zero magnetic field outside the cable. [Take π = 3]
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![Consider a coaxial cable, which consists of a thin wire inside a thin cylindrical conducting shell, as illustrated in
the figure. The central wire carries a current I, = 10 A inwards, while the outer cylindrical shell carries a current
outwards with a uniform current density Jo. The outer shell has a thickness of a = 1 mm and a radius of
R = 5/3 cm. Assuming that a < R, determine the value of J, required to achieve a zero magnetic field
outside the cable. [Take π = 3]
R
akR
O a. 105 A/m²
O b. 5 x 104 A/m²
c. 1 A/m²
O d. 2 x 105 A/m²
O e. None of the above
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Transcribed Image Text:Consider a coaxial cable, which consists of a thin wire inside a thin cylindrical conducting shell, as illustrated in
the figure. The central wire carries a current I, = 10 A inwards, while the outer cylindrical shell carries a current
outwards with a uniform current density Jo. The outer shell has a thickness of a = 1 mm and a radius of
R = 5/3 cm. Assuming that a < R, determine the value of J, required to achieve a zero magnetic field
outside the cable. [Take π = 3]
R
akR
O a. 105 A/m²
O b. 5 x 104 A/m²
c. 1 A/m²
O d. 2 x 105 A/m²
O e. None of the above
>a<
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