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Why the resistance in AC is more then DC?
As we know that frequency in DC supply is zero, so there is no skin effect (a behavior of alternating current to flow through the surface i.e. outer layer of a conductor instead of the core of the wire). in DC circuits. Due to the skin effect, AC resistance are more in AC circuits than DC supply in DC circuits.
Is AC resistance the same as impedance?
Resistance is a concept used for DC (direct currents) whereas impedance is the AC (alternating current) equivalent. Resistance is due to electrons in a conductor colliding with the ionic lattice of the conductor meaning that electrical energy is converted into heat.
What is difference between DC resistance and AC resistance?
Answer: The resistance offered by a conductor for both AC and DC is different, the resistance offered 2 DC by conductor is known as DC resistance while the resistance offered to AC is known as AC resistance or effective resistance. For a given conductor AC resistance is more than its DC resistance.
What is the difference between AC and DC resistance?
Answer: The resistance offered by a conductor for both AC and DC is different, the resistance offered 2 DC by conductor is known as DC resistance while the resistance offered to AC is known as AC resistance or effective resistance. For a given conductor AC resistance is more than its DC resistance .
Why is AC and DC resistance different?
Due to the skin effect , AC resistance are more in AC circuits than DC supply in DC circuits. In short, frequency is directly proportional to the skin effect i.e. if frequency increase, skin effect also increase where, there is no frequency and skin effect in DC.
What is the relation between resistance and impedance?
Resistance is a concept used for DC (direct currents) whereas impedance is the AC (alternating current) equivalent . Resistance is due to electrons in a conductor colliding with the ionic lattice of the conductor meaning that electrical energy is converted into heat.
What is the difference between a resistance and a capacitor?
Resistance is a value of the material itself while capacitance is a value of the combination of objects.