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1. A coaxial cable is made of a metal wire of radius a surrounded by a thin metal tube of radius b. The space between the conductors is evacuated. a) Find the capacitance per unit length of this coaxial cable (Hint: Imagine equal but opposite charges to be on the wire and the tube), b) Find the inductance per unit length of this coaxial cable (Hint: Imagine a current i flowing down the center wire and back along the tube.)

1. A coaxial cable is made of a metal wire of radius a surrounded by a thin metal tube of radius b. The space between the conductors is evacuated. a) Find the capacitance per unit length of this coaxial cable (Hint: Imagine equal but opposite charges to be on the wire and the tube), b) Find the inductance per unit length of this coaxial cable (Hint: Imagine a current i flowing down the center wire and back along the tube.)

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1. A coaxial cable is made of a metal wire of radius a surrounded by a thin metal tube of radius b. The space between the conductors is evacuated. a) Find the capacitance per unit length of this coaxial cable (Hint: Imagine equal but opposite charges to be on the wire and the tube), b) Find the inductance per unit length of this coaxial cable (Hint: Imagine a current i flowing down the center wire and back along the tube.)
Transcribed Image Text:1. A coaxial cable is made of a metal wire of radius a surrounded by a thin metal tube of radius b. The space between the conductors is evacuated. a) Find the capacitance per unit length of this coaxial cable (Hint: Imagine equal but opposite charges to be on the wire and the tube), b) Find the inductance per unit length of this coaxial cable (Hint: Imagine a current i flowing down the center wire and back along the tube.)
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