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View Policies Current Attempt in Progress In the figure, a long, straight copper wire (diameter 2.49 mm and resistance 1.22 Q per 370 m) carries a uniform current of 28.0 A in the positive x direction. For point P on the wire's surface, calculate the magnitudes of (a) the electric field E→, (b) the magnetic field B →, and (c) the Poynting vector S→, and (d) determine the direction of S →. (a) Number Units (b) Number i Units (c) Number i Units (d) Y-menuis

View Policies Current Attempt in Progress In the figure, a long, straight copper wire (diameter 2.49 mm and resistance 1.22 Q per 370 m) carries a uniform current of 28.0 A in the positive x direction. For point P on the wire's surface, calculate the magnitudes of (a) the electric field E→, (b) the magnetic field B →, and (c) the Poynting vector S→, and (d) determine the direction of S →. (a) Number Units (b) Number i Units (c) Number i Units (d) Y-menuis

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Question 15 of 16 > -/ 1 View Policies Current Attempt in Progress In the figure, a long, straight copper wire (diameter 2.49 mm and resistance 1.22 Q per 370 m) carries a uniform current of 28.0 A in the positive x direction. For point Pon the wire's surface, calculate the magnitudes of (a) the electric field E→, (b) the magnetic field B →, and (c) the Poynting vector S→, and (d) determine the direction of S→. (a) Number i Units (b) Number i Units (c) Number i Units (d) essibility-menu.js II
Transcribed Image Text:Question 15 of 16 > -/ 1 View Policies Current Attempt in Progress In the figure, a long, straight copper wire (diameter 2.49 mm and resistance 1.22 Q per 370 m) carries a uniform current of 28.0 A in the positive x direction. For point Pon the wire's surface, calculate the magnitudes of (a) the electric field E→, (b) the magnetic field B →, and (c) the Poynting vector S→, and (d) determine the direction of S→. (a) Number i Units (b) Number i Units (c) Number i Units (d) essibility-menu.js II
Expert Solution
Step 1

Concept:

Given;

Diameter= 2.49 mm

Thus, radius (r)=1.245 mm

Resistance = 1.22 ohm

Length (L)= 370 m

Current (I) =28 A

To determine the Electric field the formula used is

Electric field (E)=Voltage(V)Length(L)

To determine the Magnetic Field

B=μ∘I2πr

And the formula to determine the poynting vector is

S=1μ∘E×B

 

 

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