Physics, 25.02.2021 23:10 Nanamoney5385
The battery charger for an MP3 player contains a step-down transformer with a turns ratio of 1:38, so that the voltage of 114.5 V available at a wall socket can be used to charge the battery pack or operate the player. What voltage does the secondary coil of the transformer provide
Answers: 3
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Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
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Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates
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When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.
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Abowling ball rolls 32 meters in 0.8 seconds what is the average speed in m/s of the bowling ball in m/s
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The battery charger for an MP3 player contains a step-down transformer with a turns ratio of 1:38, s...
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