Physics, 04.11.2020 02:10 ramentome7542
If no energy is lost as heat and no electrical energy remains after it runs through the coil, how much of the electrical energy flowing through the copper wire is transformed into mechanical energy?
Answers: 1
Physics, 20.06.2019 18:04
Agenerator converts mechanical energy to electrical energy. when a coil placed between two magnets rotates, the magnetic lines of force are disturbed. this induces a current in the coil. the image below shows a generator. what could be done to make the lamp brighter? a. decrease the size of the magnets b. turn the coil slower c. change the polarity of the magnets d. turn the coil faster
Answers: 3
Physics, 22.06.2019 11:50
Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
Answers: 2
Physics, 23.06.2019 05:30
The reason a penny thrown straight up inside a bus will come back to your hand is that you,the bus,the air inside the bus, and the penny are all moving at the same velocity. true or false
Answers: 2
Physics, 23.06.2019 13:30
Which law states that that the direction of the induced current is such that the magnetic field resulting from the induced current opposes the change in the field that caused the induced current? a. faraday's law b. lenz's law c. oersted's law d. ampere's law
Answers: 1
If no energy is lost as heat and no electrical energy remains after it runs through the coil, how mu...
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