Question
Differentiate between the time varying and constant currents.
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Time varying current
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Constant current
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1.
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It is the current of magnitude varying with time.
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It is the current of constant magnitude.
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2.
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It reverses its direction while flowing in a circuit.
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It flows in one direction in the circuit.
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3.
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The frequency of current is 50Hz or 60Hz depending upon the country.
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The frequency of constant current is zero.
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4.
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Safe to transfer over longer city distances and can provide more power.
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Voltage of constant current cannot travel very far until it begins to lose energy.
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