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Homework Answers
29. The absorption loss A in dB is 2.3dB.
30. The reflection loss R in dB is 1.9dB.
31. The multiple reflection coefficient factor B in dB is -1.6dB.
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Question 29 1 pts Determine the shielding effectiveness of...
Question 27 1 pts Determine the total shielding effectiveness S, in dB, of an aluminum shield...
Question 27 1 pts Determine the total shielding effectiveness S, in dB, of an aluminum shield of thickness 0.01 cm at f= 100 kHz, for a source in the far field. Use a total conductivity of sigma = 3.8 x 107 (S/m) and a permeability of mu = 4pi x 10-7 (H/m) for aluminum. 116 dB 118 dB 120 dB 122 dB Question 28 1 pts A steel shield has total conductivity of sigma = 5.8 x 10 (S/m) and...
Question 26 1 pts A 50 MHz differential-mode current of 300 mA flows in a circuit...
Question 26 1 pts A 50 MHz differential-mode current of 300 mA flows in a circuit loop with an area of 3 mm by 4 mm. Assuming a ground plane is present, what is the worst-case electric field strength at a distance of 1m from the loop? 120 microV/m 240 microV/m 360 microV/m more than 480 microV/m Question 27 1 pts Determine the total shielding effectiveness S, in dB, of an aluminum shield of thickness 0.01 cm at f= 100...
Question 26 1 pts A 50 MHz differential-mode current of 300 mA flows in a circuit...
Question 26 1 pts A 50 MHz differential-mode current of 300 mA flows in a circuit loop with an area of 3 mm by 4 mm. Assuming a ground plane is present, what is the worst-case electric field strength at a distance of 1m from the loop? 120 microV/m 240 microV/m 360 microV/m more than 480 microV/m Question 27 1 pts Determine the total shielding effectiveness S, in dB, of an aluminum shield of thickness 0.01 cm at f= 100...
Answer both questions please and show all work ions O Question6 Question 1 18 pts Time...
Answer both questions please and show all work
ions O Question6 Question 1 18 pts Time Elapsed: Hide Attempt á擨Jan 18at11 7 Minutes, 56 Secon 1) A charge, q of-7 micro-coulombs is located at the origin, a charge, of -8 mikro- coulombs is located at x·0cm, γ·.62 cm, a charge,Qsof+9micro-coulombs is located at x-Ocm y -2.9 cm, and a charge, a of +4 micro-coulombs is located at x 5.3cm,y-0cm. What is the magnitude of the total electric force on q...
PLEASE SHOW ALL WORK. U Question 13 O pts 1) The bulk modulus of water is...
PLEASE SHOW ALL WORK.
U Question 13 O pts 1) The bulk modulus of water is 2.2 x 10° Pa 22 x 10 N/m?). By how much does a cubic meter (10mof water decrease in volume when it is taken from the surface of the ocean down to a depth of 1.0 km, where the pressure is 98 10Pa greater than at the surface? II) A 0.250 kg object attached to a spring oscillates on a frictionless horizontal table with...
Please show all work!!! Question 17 O pts 1) The surface area of the human body...
Please show all work!!!
Question 17 O pts 1) The surface area of the human body is about 1.8 m. If an average 37.0"C human is surfing in 10.0°C seawater in a 3.0 mm (1 milli- 10 thick neoprene wetsuit with a thermal conductivity of 0.050 W/(mK), how much heat does the surfer lose to the ocean in 1 hour? [1 hr = 3600 s) A lake has a specific heat of 4186J/kg.k). If we transferred 1.70x1094 J of heat...
Please show all work!!! U Question 19 O pts 1) A 50 A current flows through...
Please show all work!!!
U Question 19 O pts 1) A 50 A current flows through the leads of an electrical appliance (al Calculate how much charge passes through the appliance in 10 min. (b) How many electrons are in that amount of charge. 11) A 500 and a 200 resistor are connected in series with an ideal battery that has an emf of 20 V. (a) What current flows through each resistor? (b) What power is delivered to each...
Please show all work!!! Question 15 O pts 1.A 5.0 mx 10 m swimming pool is...
Please show all work!!!
Question 15 O pts 1.A 5.0 mx 10 m swimming pool is filled to a depth of 100 m. What is the pressure on the bottom of the pool? Idensity of water -1000 kg/m) IL.(a) Calculate the buoyant force of air (air density 1.20 kg/m) on a spherical party balloon that has a radius of 0.15 m. (b) If the rubber of the balloon itself has a mass of 200 grams and the balloon is filled...
please answer all questions Question 1 5 pts As shown in the figure, an unknown charge...
please answer all questions
Question 1 5 pts As shown in the figure, an unknown charge is located at the origin and an electron is located at x = +0.2 nm. If the net electric force on a small positive test charge is zero at x = -1.5 nm, what is the magnitude and sign of the unknown charge? unknown charge test charge q electron e X=-1.5 nm x=0 x=+0.2 nm 0 -0.78e 0 +0.78e 0 -0.018e +0.018e +28e The...
PLEASE ANSWER ALL OF THE QUESTIONS Question 1 5 pts An object is placed 7 cm...
PLEASE ANSWER ALL OF THE QUESTIONS
Question 1 5 pts An object is placed 7 cm to the left of a converging lens with a focal length of 12 cm. What is the magnification of the final image with respect to the object? If the image is real, the magnification is negative. Please include the minus sign in the answer. Please round your answer to one decimal place. Question 7 5 pts A double slit is illuminated with monochromatic light...
Question 27 1 pts Determine the total shielding effectiveness S, in dB, of an aluminum shield of thickness 0.01 cm at f= 100 kHz, for a source in the far field. Use a total conductivity of sigma = 3.8 x 107 (S/m) and a permeability of mu = 4pi x 10-7 (H/m) for aluminum. 116 dB 118 dB 120 dB 122 dB Question 28 1 pts A steel shield has total conductivity of sigma = 5.8 x 10 (S/m) and...
Question 26 1 pts A 50 MHz differential-mode current of 300 mA flows in a circuit loop with an area of 3 mm by 4 mm. Assuming a ground plane is present, what is the worst-case electric field strength at a distance of 1m from the loop? 120 microV/m 240 microV/m 360 microV/m more than 480 microV/m Question 27 1 pts Determine the total shielding effectiveness S, in dB, of an aluminum shield of thickness 0.01 cm at f= 100...
Question 26 1 pts A 50 MHz differential-mode current of 300 mA flows in a circuit loop with an area of 3 mm by 4 mm. Assuming a ground plane is present, what is the worst-case electric field strength at a distance of 1m from the loop? 120 microV/m 240 microV/m 360 microV/m more than 480 microV/m Question 27 1 pts Determine the total shielding effectiveness S, in dB, of an aluminum shield of thickness 0.01 cm at f= 100...
Answer both questions please and show all work
ions O Question6 Question 1 18 pts Time Elapsed: Hide Attempt á擨Jan 18at11 7 Minutes, 56 Secon 1) A charge, q of-7 micro-coulombs is located at the origin, a charge, of -8 mikro- coulombs is located at x·0cm, γ·.62 cm, a charge,Qsof+9micro-coulombs is located at x-Ocm y -2.9 cm, and a charge, a of +4 micro-coulombs is located at x 5.3cm,y-0cm. What is the magnitude of the total electric force on q...
PLEASE SHOW ALL WORK.
U Question 13 O pts 1) The bulk modulus of water is 2.2 x 10° Pa 22 x 10 N/m?). By how much does a cubic meter (10mof water decrease in volume when it is taken from the surface of the ocean down to a depth of 1.0 km, where the pressure is 98 10Pa greater than at the surface? II) A 0.250 kg object attached to a spring oscillates on a frictionless horizontal table with...
Please show all work!!!
Question 17 O pts 1) The surface area of the human body is about 1.8 m. If an average 37.0"C human is surfing in 10.0°C seawater in a 3.0 mm (1 milli- 10 thick neoprene wetsuit with a thermal conductivity of 0.050 W/(mK), how much heat does the surfer lose to the ocean in 1 hour? [1 hr = 3600 s) A lake has a specific heat of 4186J/kg.k). If we transferred 1.70x1094 J of heat...
Please show all work!!!
U Question 19 O pts 1) A 50 A current flows through the leads of an electrical appliance (al Calculate how much charge passes through the appliance in 10 min. (b) How many electrons are in that amount of charge. 11) A 500 and a 200 resistor are connected in series with an ideal battery that has an emf of 20 V. (a) What current flows through each resistor? (b) What power is delivered to each...
Please show all work!!!
Question 15 O pts 1.A 5.0 mx 10 m swimming pool is filled to a depth of 100 m. What is the pressure on the bottom of the pool? Idensity of water -1000 kg/m) IL.(a) Calculate the buoyant force of air (air density 1.20 kg/m) on a spherical party balloon that has a radius of 0.15 m. (b) If the rubber of the balloon itself has a mass of 200 grams and the balloon is filled...
please answer all questions
Question 1 5 pts As shown in the figure, an unknown charge is located at the origin and an electron is located at x = +0.2 nm. If the net electric force on a small positive test charge is zero at x = -1.5 nm, what is the magnitude and sign of the unknown charge? unknown charge test charge q electron e X=-1.5 nm x=0 x=+0.2 nm 0 -0.78e 0 +0.78e 0 -0.018e +0.018e +28e The...
PLEASE ANSWER ALL OF THE QUESTIONS
Question 1 5 pts An object is placed 7 cm to the left of a converging lens with a focal length of 12 cm. What is the magnification of the final image with respect to the object? If the image is real, the magnification is negative. Please include the minus sign in the answer. Please round your answer to one decimal place. Question 7 5 pts A double slit is illuminated with monochromatic light...
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