Physics, 26.03.2020 19:34 Jackie2088
A three-way 120 V lamp bulb that contains two filaments is rated for 100-200-300 W. One filament burns out. Afterward, the bulb operates at the same intensity (dissipates energy at the same rate) on its lowest as on its highest switch positions but does not operate at all on the middle position. What are the (a) larger and (b) smaller values of the filament resistances?
Answers: 2
Physics, 21.06.2019 17:10
What is the radius of the circular path ofa charged particle in a magnetic field?
Answers: 1
Physics, 22.06.2019 00:10
The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth’s center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.
Answers: 2
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
A three-way 120 V lamp bulb that contains two filaments is rated for 100-200-300 W. One filament bur...
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