Welcome!

Join more than 151,000 members on FunAdvice to ask questions, share advice, photos and make new friends today.

FunAdvice RSS for this page:

Why a transformer is an ac device and not a dc device

Asked by dan41790 7 months ago, 3 answers.

A phone charger is a common use of a transformer.

Explain why a transformer is an AC device and not a DC device.
If the voltage of the wall outlet is 120 v and the output of the transformer is 3 v, is this a step-up or a step-down transformer?
Describe...

whether the current is higher on the wall side or the phone side of this device.

Answered by b1ff on Apr 23, 2009, 03:02PM
261 answers

Ok I'm pretty sure these are just your homewok questions, you must have been taught this stuff at some point. Read over your notes or check your text book, and if you still have problem then ask questions about the points you don't quite understand, not just the whole question.

Answered by moon_dog_spot on Apr 24, 2009, 01:12PM
75 answers

How in the Hell can you Assume that b1ff - Now I'll bet most of the Pretty ladies in this sight ALL want to know about Electricity. Fact is Im surprised there are not more threads. So step back Man. Dang I still dont know how you established that.

Electricity is Fun For everyone. Just remember to BE Safe with it. Always try to Unplug appliances and Female toys the Right way. Because if you dont some of the Electricity will Spill out on the Carpet !!

Answered by jozef on May 04, 2009, 08:23AM
165 answers

This type of transformer, aka power adaptor, is a step-down transformer. You're taking 120V and bringing it down to 3V. And the reason why it's an AC device, not DC, is because with alternating current going through the primary coil of the transformer, a electromagnetic field can be achieved...this cannot be done with direct current. The electromagnetic field excites the secondary coil, thus creating a voltage.

Answer this Question: "why a transformer is an AC device and not a DC device"

Our members said the answers on this page also answer the following questions:

Explain why a transformer is an ac device and not a dc device.?, Why is a transformer ac and not dc?, Transformer ac device?, Transformer device?, Why transformers use ac not dc?, Why transformers not dc?, Transformer not meant for device?, What is difference between ac transformer and dc transformer?, Why is transformer considered to be an a.c device??, Transformers as an ac device?, Why is atransformer not work in direct current?, Reason transformer uses ac not dc?, Transformer is used in ac and not in d.c because?, Why should we use ac current for transformer why not dc?, Why is an transformer an ac device?, Explain why a transformer is an ac device and not a dc device