Physics

Physics, 13.11.2019 19:31, fperez616

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electricity from power plants is delivered as:

direct current

alternating correct

answer

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Physics, 20.07.2019 22:30, Hjackson24

Which listed property of alternating current is the most likely reason it was chosen over direct current to provide electricity across the country? a) can power devices b) can be used in houses c) current changes direction d) can be transformed to different voltages

Answers: 1

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Physics, 23.07.2019 10:30, 21vdawson

Nikola tesla used rotating magnetic fields to generate, transmit, and use ac (alternating current). today alternating current has replaced direct current in most situations. what is the advantage of using ac power over dc power?

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Physics, 24.07.2019 19:00, Blakemiller2020

Westinghouse and edison fought what was known as the war of the currents. eventually, westinghouse triumped using alternating current for power distribution. alternating current is better for power generation because a) direct current is unsafe. b) alternating current produces flutuating magnetic fields. c) alternating current provides a more constant current flow. d) direct current cannot be produce electricity without a battery.

Answers: 2

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Physics, 25.07.2019 15:30, martinjohnsond079

Why is current supplied to consumers from generating plants in the form of alternating current? direct current cannot be generated in the amount necessary to supply enough consumers. it is a much more efficient mode of transmitting electricity than direct current. this is the only form that current can be transmitted over the long distances. it is way too dangerous to transmit direct current to consumers' homes.

Answers: 1

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