Physics, 06.07.2019 04:00 allieballey0727
Jeff’s father is installing a do-it-yourself security system at his house. he needs to get a device from his workshop that converts electric energy to sound energy. which device is jeff’s father looking for? switch motor buzzer bulb battery
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What are the factors that affect the resistance of a wire?
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Physics, 22.06.2019 15:30, 2605098
Ametal ring 4.20 cm in diameter is placed between the north and south poles of large magnets with the plane of its area perpendicular to the magnetic field. these magnets produce an initial uniform field of 1.12 t between them but are gradually pulled apart, causing this field to remain uniform but decrease steadily at 0.240 t/s . (a) what is the magnitude of the electric field induced in the ring? (b) in which direction (clockwise or counterclockwise) does the current flow as viewed by someone on the south pole of the magnet?
Answers: 2
Jeff’s father is installing a do-it-yourself security system at his house. he needs to get a device...
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