![For Problems 7 and 8: The relative permittivity of the object shown is є . Outside is air. The electric flux density on the top surface is give n as D-6R + 80-1 2ф inside the object. The electric field intensity on the top surface is given as в,-4.5177 x1011 R + 3.6142x1o0+5.42 1 3x 10Joutside the object. Problem [71 <10 points> Calculate the relative permittivity of the object e Problem |8] <10 points> Calculate the surface charge density p,on the top surface.](http://img.homeworklib.com/questions/c5a2f560-3e81-11eb-99ca-dd046771bdf7.png?x-oss-process=image/resize,w_560)
Homework Answers
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For Problems 7 and 8: The relative permittivity of the object shown is є . Outside...
A homogeneous dielectric sphere, of radius a and relative permittivity Er, is situated in air. There...
A homogeneous dielectric sphere, of radius a and relative permittivity Er, is situated in air. There is a free volume charge density ρ(r)-Po r/a (0 a) throughout the sphere volume, where r is the distance from the sphere center (spherical radial coordinate) and po is a constant. (a) Determine the electric displacement vector D for 0 r 〈 00, (b) what is the electric field inside the sphere (0 r a)? (c) What is the electric field outside the sphere...
For Problems 7 to 12: Electric field in a uniform medium is given as E =n....
For Problems 7 to 12: Electric field in a uniform medium is given as E =n. (3î +49) cos(3x10* rt - k :)+7 (& + 2 ) cos(6x10*x+ +187y) Notice that these two waves are at different frequencies and they propagate in different directions. Permeability of the medium is given as 4 = 44 Problem 171<5 points> Calculate the relative permittivity of this medium. Problem [8] <5 points> Calculate the intrinsic impedance of this medium. Problem 191 <5 points Calculate...
3. Two dielectric materials (material 1 and 2) are combined either in series (Case A) or parallel (Case B) arrangements...
3. Two dielectric materials (material 1 and 2) are combined either in series (Case A) or parallel (Case B) arrangements as shown in the figure below. The relative permittivity for material one is 10 while the relative permittivity for material two is 3000. A voltage of 100 volts is applied across the entire the top surface while the bottom is grounded (0 Volts) in both cases. The z- direction is up with z-0 representing the bottom ground. Calculate for each...
For Problems 5 to 6: Figure shows a capacitor connected to a voltage source. There are...
For Problems 5 to 6: Figure shows a capacitor connected to a voltage source. There are two dielectric slabs stacked in the capacitor. The dielectric slabs are not perfect dielectrics, thus they have finite conductivities. Hint: Notice that electric flux densities in dielectrics 1 and 2 are equal: D-D2 Another hint: You can imagine this structure as two capacitors connected in series. Can you find the voltage Kon capacitor 1. V-4cos(at),o-10,ad /sec, w-o1m, 1:0.ln?, ,-3,e,2-5, ?,-100,?,-200,di-d,-0.002m 82,02 Problem [51 <15...
For Problems 7 to 12: Electric field in a uniform medium is given as Ē =n....
For Problems 7 to 12: Electric field in a uniform medium is given as Ē =n. (3ê +4ỹ)cos(3x10° rt – kız)+n. (î+22)cos(6x10° rt +187y) Notice that these two waves are at different frequencies and they propagate in different directions. Permeability of the medium is given as u=450 Problem [7] <5 points> Calculate the relative permittivity of this medium. I Problem [8] <5 points> Calculate the intrinsic impedance of this medium. Problem [9] <5 points> Calculate k. Problem [10] <5 points>...
2. The image shown is taken from the text book why n danger a) The electric...
2. The image shown is taken from the text book why n danger a) The electric feld could have broken down and her hair air surrounding her and she would have b) b) The electric field was about to cause a breakdown in the suffocated in the surrounding air and an upward streamer lightning bolt from a pessing cloud c) The electric field surrounding her would soon attract a downward d) The electric field was a would have resulted 8....
(5) Consider the figure below, showing the front of a brick-shaped object, with each mono-velocity beam...
(5) Consider the figure below, showing the front of a brick-shaped object, with each mono-velocity beam completely covering the face of the object that it strikes. The object has depth Δ. Beam 1 travels in the -ex direction. Beam 2 travels in the +êy direction. You are given Σ,-Σ,-0.6 cm-1, 10 n/cm n2 105 n/em V1 = V2 = 1of cm/s (a) [10 points] "Calculate" the scalar flux at the center of the object. (b) [5 points] "Calculate" the net...
Physics 222 Name: Task 7: Electric Flux and Gauss's Law Objective: To illustrate the concept of...
Physics 222 Name: Task 7: Electric Flux and Gauss's Law Objective: To illustrate the concept of "flux" and to avoid performing the integral in Gauss's Law for Electricity 1. A cylindrical Gaussian surface (length = 0.80 m, diameter = 0.20 m) is drawn in an area of a non-uniform electric field, directed at all points in the ex direction (i.e. horizontal to the right). The field varies with x, but does not vary with respect to y or z. The...
Heat Transfer Problems 1. A window pane (1/8 inch thick) in an old house owned by...
Heat Transfer
Problems 1. A window pane (1/8 inch thick) in an old house owned by a professor is 3 ft. by 4 ft. He likes to be warm in the winter so the inside temperature is kept at 70 °F even when the outside temperature is 10 •F. For this problem assume the inside and outside temperatures are for the window surface. How much heat is transferred through the window (k=.54 BTU/hr ft ° F)? 2. A small heated...
physics help please PHY121 Sample Final problems: thermodynamics, heat, and fluids 10pts 1. A large chemical tank containing acid springs a leak in a seam at the bottom. The air pressure outside t...
physics help please
PHY121 Sample Final problems: thermodynamics, heat, and fluids 10pts 1. A large chemical tank containing acid springs a leak in a seam at the bottom. The air pressure outside the tank is atmospheric(Patm 1,013 x10s N/m2) and the absolute pressure inside the tank at the top is 1.4 x 10s Pa with the hole being 2.7 m below the level of the acid in the tank. What velocity will the acid exit the tank through the hole?...
A homogeneous dielectric sphere, of radius a and relative permittivity Er, is situated in air. There is a free volume charge density ρ(r)-Po r/a (0 a) throughout the sphere volume, where r is the distance from the sphere center (spherical radial coordinate) and po is a constant. (a) Determine the electric displacement vector D for 0 r 〈 00, (b) what is the electric field inside the sphere (0 r a)? (c) What is the electric field outside the sphere...
For Problems 7 to 12: Electric field in a uniform medium is given as E =n. (3î +49) cos(3x10* rt - k :)+7 (& + 2 ) cos(6x10*x+ +187y) Notice that these two waves are at different frequencies and they propagate in different directions. Permeability of the medium is given as 4 = 44 Problem 171<5 points> Calculate the relative permittivity of this medium. Problem [8] <5 points> Calculate the intrinsic impedance of this medium. Problem 191 <5 points Calculate...
3. Two dielectric materials (material 1 and 2) are combined either in series (Case A) or parallel (Case B) arrangements as shown in the figure below. The relative permittivity for material one is 10 while the relative permittivity for material two is 3000. A voltage of 100 volts is applied across the entire the top surface while the bottom is grounded (0 Volts) in both cases. The z- direction is up with z-0 representing the bottom ground. Calculate for each...
For Problems 5 to 6: Figure shows a capacitor connected to a voltage source. There are two dielectric slabs stacked in the capacitor. The dielectric slabs are not perfect dielectrics, thus they have finite conductivities. Hint: Notice that electric flux densities in dielectrics 1 and 2 are equal: D-D2 Another hint: You can imagine this structure as two capacitors connected in series. Can you find the voltage Kon capacitor 1. V-4cos(at),o-10,ad /sec, w-o1m, 1:0.ln?, ,-3,e,2-5, ?,-100,?,-200,di-d,-0.002m 82,02 Problem [51 <15...
For Problems 7 to 12: Electric field in a uniform medium is given as Ē =n. (3ê +4ỹ)cos(3x10° rt – kız)+n. (î+22)cos(6x10° rt +187y) Notice that these two waves are at different frequencies and they propagate in different directions. Permeability of the medium is given as u=450 Problem [7] <5 points> Calculate the relative permittivity of this medium. I Problem [8] <5 points> Calculate the intrinsic impedance of this medium. Problem [9] <5 points> Calculate k. Problem [10] <5 points>...
2. The image shown is taken from the text book why n danger a) The electric feld could have broken down and her hair air surrounding her and she would have b) b) The electric field was about to cause a breakdown in the suffocated in the surrounding air and an upward streamer lightning bolt from a pessing cloud c) The electric field surrounding her would soon attract a downward d) The electric field was a would have resulted 8....
(5) Consider the figure below, showing the front of a brick-shaped object, with each mono-velocity beam completely covering the face of the object that it strikes. The object has depth Δ. Beam 1 travels in the -ex direction. Beam 2 travels in the +êy direction. You are given Σ,-Σ,-0.6 cm-1, 10 n/cm n2 105 n/em V1 = V2 = 1of cm/s (a) [10 points] "Calculate" the scalar flux at the center of the object. (b) [5 points] "Calculate" the net...
Physics 222 Name: Task 7: Electric Flux and Gauss's Law Objective: To illustrate the concept of "flux" and to avoid performing the integral in Gauss's Law for Electricity 1. A cylindrical Gaussian surface (length = 0.80 m, diameter = 0.20 m) is drawn in an area of a non-uniform electric field, directed at all points in the ex direction (i.e. horizontal to the right). The field varies with x, but does not vary with respect to y or z. The...
Heat Transfer
Problems 1. A window pane (1/8 inch thick) in an old house owned by a professor is 3 ft. by 4 ft. He likes to be warm in the winter so the inside temperature is kept at 70 °F even when the outside temperature is 10 •F. For this problem assume the inside and outside temperatures are for the window surface. How much heat is transferred through the window (k=.54 BTU/hr ft ° F)? 2. A small heated...
physics help please
PHY121 Sample Final problems: thermodynamics, heat, and fluids 10pts 1. A large chemical tank containing acid springs a leak in a seam at the bottom. The air pressure outside the tank is atmospheric(Patm 1,013 x10s N/m2) and the absolute pressure inside the tank at the top is 1.4 x 10s Pa with the hole being 2.7 m below the level of the acid in the tank. What velocity will the acid exit the tank through the hole?...
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