Why does a transformer only work with an AC supply?

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Why does a transformer only work with an AC supply?

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asked Mar 14, 2018 by anonymous

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asked Mar 20, 2018 by anonymous

The primary reason for low power factor is supply system is due to installation of?

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asked Mar 20, 2018 by anonymous

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asked Sep 13, 2017 by anonymous

52 A transformer has 1000 primary turns, connected to 250V ac supply. To get 400V secondary voltage the no of secondary turns should be A. 1600 B. 250 C. 400 D. 1250

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asked Jul 21, 2021 by jyoti kurekar

why transformer don't work on DC supply?

why transformer don't work on DC supply?
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asked Dec 9, 2017 by anonymous

What is the advantage of AC over DC electrical transmission?

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asked Apr 26, 2020 by anonymous

Alternating current (AC)

Alternating current (AC)
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asked Nov 22, 2019 by anonymous

Why are DC motors used in trains and not AC motors ?

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asked Sep 3, 2019 by anonymous

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asked Aug 28, 2019 by anonymous

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asked Aug 28, 2019 by anonymous

Why is AC better for long distance power transmission than DC ?

Why is AC better for long distance power transmission than DC ?
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asked Aug 25, 2019 by anonymous

Why can't we store AC in batteries instead of DC ?

Why can't we store AC in batteries instead of DC ?
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asked Aug 19, 2019 by anonymous

What is the conversion between. AC to AC ? DC to DC? AC to DC? DC to AC ?

What is the conversion between. AC to AC ? DC to DC? AC to DC? DC to AC ?
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asked Aug 15, 2019 by anonymous

AC generator

AC generator
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asked Aug 8, 2019 by anonymous

Define : i) Average value ii) RMS value of an AC Wave.

Define : i) Average value ii) RMS value of an AC Wave.
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asked Jul 30, 2019 by anonymous

Is the power line voltage available in our homes a dc or an ac voltage?

Is the power line voltage available in our homes a dc or an ac voltage?
Last Answer : The power line voltage available in our homes is AC. Mobile dwellings are the most commonly DC-supplied homes and even then they tend to include AC supply for heavier loads.

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asked Jun 29, 2019 by anonymous

anonymous · Answer 1 · 2018-03-14T23:52:08+0000

AC can produce changing magnetic field which is required for step up or step down purpose. Using that changing magnetic field it can generate changing voltage.

anonymous · Answer 2 · 2019-08-18T10:56:31+0000

When alternating voltage is connected to the primary side, a small current called magnetizing current will flow and an alternating magnetic field is set up in the core, this alternating field links with the secondary winding by mutual induction and an emf is produced. So with DC we can't have an alternating magnetic field that will link our windings, coz our voltage is direct isn't alternating

anonymous · Answer 3 · 2019-08-18T10:56:50+0000

The transformer work depends on the induction as main principle ,for that AC is the right means

Why does a transformer only work with an AC supply?

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