Physics

Physics, 17.09.2019 22:40, 20calzoy

Why doesn't a transformer work with direct current? why is ac required?

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Physics, 30.06.2019 04:30, jacobbecker99

One major advantage of alternating current over direct current is that you can use alternating current with a device known as a transformer. the reason why alternating current works in transformers but direct current does not is?

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Physics, 01.07.2019 03:30, erjalinalii

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? a) it is safer to use than dc power. b) it can be used directly in all appliances. c) its current can be raised or lowered easily by a transformer. d) its voltage can be raised or lowered easily by a transformer. eliminate

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Physics, 27.09.2019 01:30, Flameking1223

Which of the following statements are true regarding transformers? check all that apply. in a transformer, if the primary coil contains more loops than the secondary coil, then it is a step-up transformer.a transformer converts mechanical energy into electrical energy.a transformer is used to increase or decrease a direct current voltage.a transformer is used to increase or decrease an alternating current voltage.in a transformer, if the secondary coil contains more loops than the primary coil, then it is a step-up transformer.in a transformer, the power input is less than the power output.

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