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- E This antenna, from + to -, is 10 cm long. It can best pick up signal frequency of Ch. 31.6 MHz.A 10 cm diameter circular loop of wire is in a 5.00 -T magnetic field. It is removed from the field in 0.10 s. What is the average induced EMF? A. 3.92 V C. 0 B. 0.392 V D. 39.2 VAn emf is induced by rotating a 1,228-turn, 10.0 cm diameter coil in the Earth’s 5.00 ×10-5 T magnetic field. What average emf is induced, given the plane of the coil is originally perpendicular to the Earth’s field and is rotated to be parallel to the field in 8.8 ms? Express answer in volts to 3 decimal places.
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- A 40.0 W incandescent light bulb transforms 19.0% of its energy into visible light; the rest goes largely to non-visible infrared radiation. At what distance from the bulb is the amplitude of the electric field of the visible-light wave 13.1 V/m? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer unitsThe generator at a large power plant has an output of 1,800,000 kw at 30,000 v. a. If it were a DC generator, what would be the current in it? b. What is it’s energy output each day in kilowatt hours?145 S N Q-3 T. Brady Problem sy = Voy⋅ t + kayt 11 21 60f 1664/5² W w ½gt² + Vyt-sy = 0 at² + bt+C =0 Q-3 Hmwk #2
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