About 1,336 W/m2 of electromagnetic energy reaches the upper atmosphere of the Earth from the Sun, which is about 1.5 × 1011 m away. Use this information to estimate the average power output of the Sun. Provide the solution: ______x1026 W
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Provide the solution: ______x1026 W
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- What is the peak emf generated by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s 5.00 X 10-5 T magnetic field, given the plane of the coil is originally perpendicular to the Earth’s field and is rotated to be parallel to the field in 10.0 ms?What is the EMF induced when the magnetic field changes from 2.3 T to 0.5 T in 10 seconds with a 2 m by 4 m rectangular conductor positioned perpendicular to the field?Part A Estimate the average power output of the Sun, given that about 1350 W/m² reaches the upper atmosphere of the Earth. Express your answer with the appropriate units. ΠΑ S = Value Submit Request Answer Units ?
- A 100-turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1,450 rev/min, as indicated in the figure below. The horizontal component of Earth's magnetic field at the location of the loop is 2.0 ✕ 10−5 T. Calculate the maximum emf (in V) induced in the coil by Earth's field.A 12.0-cm diameter loop of wire is initially oriented perpendicular to a 1.5 T magnetic field. Then, the loop is rotated so that its plane is parallel to the field direction in 0.20 s. What is the average induced emf in the loop?28 Consider a bright star in our night sky. Assume its distance from Earth is 29.0 light-years (ly) and its power output is 4.00 x 104° w, about 100 times that of the Sun. One light-year is the distance traveled by light through a vacuum in one year. (a) Find the intensity of the starlight at the Earth. W/m? (b) Find the power of the starlight the Earth intercepts. (The radius of Earth is 6.38 × 10° m.) MW Need Help? Read It
- Consider a bright star in our night sky. Assume its distance from Earth is 84.9 light-years (ly) and its power output is 4.00 × 1028 W, about 100 times that of the Sun. One light-year is the distance traveled by light through a vacuum in one year. (a) Find the intensity of the starlight at the Earth. W/m² (b) Find the power of the starlight the Earth intercepts. (The radius of Earth is 6.38 x 106 m.) MW(a) How much energy does a microwave transfer to a bowl of soup if the microwave has an efficiency of 84% and it consumes 1.8 MJ of electrical energy (b) Draw an energy flow diagram for the microwave.In a particular area of the country, electrical energy costs $0.18 per kilowatt-hour. (Round your answers, in dollars, to at least two decimal places.) (a) How much does it cost to operate an old-style incandescent 60.0-W light bulb continuously for 24 hours? $ (b) A modern LED light bulb that emits as much visible light as a 60.0-W incandescent only draws 8.50 W of power. How much does it cost to operate this bulb for 24 hours? $ (c) A particular electric oven requires a potential difference of 220 V and draws 20.0 A of current when operating. How much does it cost to operate the oven for 3.90 hours? $
- Faraday's law of electromagnetic induction indicates that an induced EMF may be generated in a loop of wire because of O a receding magnetic pole from the wire O any of the reasons mentioned in the answer boxes variation of current through the wire an approaching magnetic pole toward the wireA SMALL BULB RADIATES EM ENERGY IN ALL DIRECTIONS. AT A DISTANCE OF 3.0M FROM THE SOURCE, THE RMS MAGNETIC FIELD 15 4.7 x 107 T. FIND THE AVERAGE POWER OF THIS SOURCE.Listen = . An electromagnetic coil with L 200 mH carries a current that varies with time according to /(t) = 2.0 A sin(62 s1. t). What is the equation/expression for the voltage induced on the coil? OV(t) = -12.4 V sin(62 s ¹. t) OV(t) = 0.4 V sin (62 s ¹. t) -1 OV(t)=-620 V sin(62 s ¹. t) OV(t) = 124V · cos(62 s ¹. t) -1 - . -1 OV(t) = -24.8 V · cos(62 s¯¹. t) S