Electricity & Megnetism
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Can a transformer operate on DC?
A transformer cannot operate on a steady or unchanging dc voltage such as that of a battery. It requires a voltage that rises and falls. Since an ac voltage not only changes its magnitude but its direction as well, it…
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Difference between ac and dc current
The basic difference between ac and dc current is that AC current reverses its direction while flowing in a circuit, while DC current does not change its direction. The alternating current generates frequency while the direct current has zero frequency.…
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Difference between electric potential and potential difference in tabular form
The basic difference between electric potential and potential difference is that electric potential at a point in an electric field is equal to the amount of work done in bringing a unit positive charge from infinity to that point. While…