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4.A coaxial cable has an inner core of copper wire with a 3 mm diameter with a current density of...
1. A coaxial cable consists of a copper tube of radius 6.00 mm (rc ) surrounded...
1. A coaxial cable consists of a copper tube of radius 6.00 mm (rc ) surrounded by a thin jacket of polystyrene (with dielectric constant Kp) with an outer radius of 6.20 mm (rp) which is in turn surrounded by a thin steel mesh. a. Derive the formula for the capacitance per meter between the copper core and the steel mesh of this cable in terms of rc , rp , Kp and physical constants. Because of the small thickness...
2) A coaxial cable (along 2) consists of a thick uniform cylindrical metallic wire of radius...
2) A coaxial cable (along 2) consists of a thick uniform cylindrical metallic wire of radius Rį and a thin metallic shell of radius Rg > Ri. The current density ji =jo (+2) is uniformly distributed within the volume of the inner wire and the current density j2 = jo (-2) flows through the outer shell. The region Ri <r< R2 contains a dielectric with A = 20- a) Calculate the B-field everywhere in terms of the net current I....
9. A coaxial cable has a center wire surrounded by a concentric, hollow cylinder (see figure...
9. A coaxial cable has a center wire surrounded by a concentric, hollow cylinder (see figure below). The center wire has a radius of 1.0 mm and carries a uniform current of 3 A out of the page. The cylindrical conductor (inner radius=3.0 mm, outer radius 4.0 mm) has a uniform current of 2 A but into the page. What is the magnitude of the magnetic field at (a) 3.5 mm and (b) 5.0 mm? (11 points) Mo Inv a)...
4. (12 points) A coaxial cable consists of a central conducting wire of radius a and...
4. (12 points) A coaxial cable consists of a central conducting wire of radius a and a surrounding conducting cylindrical shell of inner radius b and outer radius c. Suppose the central wire carries a current I and the outer shell carries a uniform current 21 in the same direction. Use Ampere's Law to find the magnitude of the magnetic field (a) (3 points) in the region between the wire and outer shell a <r <b, (b) (6 points) inside...
Consider our standard coax cable as an “infinite” length wire of radius a surrounded by a...
Consider our standard coax cable as an “infinite” length wire of
radius a surrounded by a thin conducting cylinder, coaxial with the
wire, with inner radius b and outer radius c. Again, assume
ab and cbb (thin shell and wire), as show in the
figure.
We now want to investigate energy flow in the same cylindrical
coax cable defined above. However, for now, let’s just look at
fields constant in time, not varying in time. Assume that constant
current I...
Please write legibly 3. Self Inductance of coax: Consider a coaxial cable which is an (infinitely)...
Please write legibly
3. Self Inductance of coax: Consider a coaxial cable which is an (infinitely) long wire of radius a, with given current flowing uniformly up it (so J(t)-I(t)/Ta2 goes uniformly through the wire) At the outside edge (r-a), there is an infinitesimally thin insulator, and just outside that, arn infinitesimally thin sheath that returns ALL the current, basically a surface current going down the opposite direction carrying a total -I(t) back down. Figure out the B field everywhere...
An 18-gauge copper wire (diameter 1.02 mm) carries a current with a current density of 1.40×106...
An 18-gauge copper wire (diameter 1.02 mm) carries a current with a current density of 1.40×106 A/m2 . Copper has 8.5×1028 free electrons per cubic meter Calculate the current in the wire Calculate the drift velocity of electrons in the wire.
A) A number 16 copper wire has a diameter of 1.291 mm. Calculate the resistance of...
A) A number 16 copper wire has a diameter of 1.291 mm. Calculate the resistance of a 34.0 m long piece of such wire. (Use 1.72×10-8 Ωm for the resistivity of copper.) B) For safety, the National Electrical Code limits the allowable amount of current which such a wire may carry. When used in indoor wiring, the limit is 6.0 A for rubber insulated wire of that size. How much power would be dissipated in the wire of the above...
A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a...
A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a 40.0 m long piece of such wire. (Use 1.72x108 2m for the resistivity of copper.) Submit Answer Tries 0/99 For safety, the National Electrical Code limits the allowable amount of current which such a wire may carry. When used in indoor wiring the limit is 15.0 A for rubber insulated wire of that size. How much power would be dissipated in thé wire of...
A number 12 copper wire has a diameter of 2.053 mm. Calculate the resistance of a...
A number 12 copper wire has a diameter of 2.053 mm. Calculate the resistance of a 37.0 m long piece of such wire. (Use 1.72×10-8 Ωm for the resistivity of copper.) Tries 0/20 For safety, the National Electrical Code limits the allowable amount of current which such a wire may carry. When used in indoor wiring, the limit is 20.0 A for rubber insulated wire of that size. How much power would be dissipated in the wire of the above...
2) A coaxial cable (along 2) consists of a thick uniform cylindrical metallic wire of radius Rį and a thin metallic shell of radius Rg > Ri. The current density ji =jo (+2) is uniformly distributed within the volume of the inner wire and the current density j2 = jo (-2) flows through the outer shell. The region Ri <r< R2 contains a dielectric with A = 20- a) Calculate the B-field everywhere in terms of the net current I....
9. A coaxial cable has a center wire surrounded by a concentric, hollow cylinder (see figure below). The center wire has a radius of 1.0 mm and carries a uniform current of 3 A out of the page. The cylindrical conductor (inner radius=3.0 mm, outer radius 4.0 mm) has a uniform current of 2 A but into the page. What is the magnitude of the magnetic field at (a) 3.5 mm and (b) 5.0 mm? (11 points) Mo Inv a)...
4. (12 points) A coaxial cable consists of a central conducting wire of radius a and a surrounding conducting cylindrical shell of inner radius b and outer radius c. Suppose the central wire carries a current I and the outer shell carries a uniform current 21 in the same direction. Use Ampere's Law to find the magnitude of the magnetic field (a) (3 points) in the region between the wire and outer shell a <r <b, (b) (6 points) inside...
Consider our standard coax cable as an “infinite” length wire of
radius a surrounded by a thin conducting cylinder, coaxial with the
wire, with inner radius b and outer radius c. Again, assume
ab and cbb (thin shell and wire), as show in the
figure.
We now want to investigate energy flow in the same cylindrical
coax cable defined above. However, for now, let’s just look at
fields constant in time, not varying in time. Assume that constant
current I...
Please write legibly
3. Self Inductance of coax: Consider a coaxial cable which is an (infinitely) long wire of radius a, with given current flowing uniformly up it (so J(t)-I(t)/Ta2 goes uniformly through the wire) At the outside edge (r-a), there is an infinitesimally thin insulator, and just outside that, arn infinitesimally thin sheath that returns ALL the current, basically a surface current going down the opposite direction carrying a total -I(t) back down. Figure out the B field everywhere...
A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a 40.0 m long piece of such wire. (Use 1.72x108 2m for the resistivity of copper.) Submit Answer Tries 0/99 For safety, the National Electrical Code limits the allowable amount of current which such a wire may carry. When used in indoor wiring the limit is 15.0 A for rubber insulated wire of that size. How much power would be dissipated in thé wire of...
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