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Yes. The resistance does depend on frequency. The reason is 'skin effect'.
When an alternating current is passed through a conductor only a small portion of the conductor, usually called the skin depth carries the current. The value of skin depth is inversely proportional to frequency. As the frequency is increased, the skin depth decreases. But the value of ac resistance is directly proportional to frequency, or in other words, inversely proportional to skin depth. Thus, at higher frequencies, ac resistance is higher. This is the reason why we multiply the dc resistance by an empirical value 1.2 or 1.3 to calculate its ac equivalent.
What else can I help you with?
Does resistance depend upon current?
The higher the resistance the lower the current flow. It restricts the flow of electrical current. The resistance will not depend upon the current. The current flow will depend on the resistance.
Frequency depends on voltage or current?
Frequency doesn't depend on either voltage or current.
How does current depend on resistance?
Pressure from the voltage.
What is difference between resistance and reactance while both are measured in ohms?
Resistance is constant no matter the frequency applied. Reactance varies depending on the frequency of the power applied to it.
How frequency decreases when resistive load is added to the circuit?
Resistance does not change frequency. Frequency cannot be changed without very sophisticated equipment, often called Variable Frequency Drive, or VFD, which is used in motor starters today.
Why resistance doesnot depend on frequency of ac?
Because Resistance is material property...
What happens to the resistance when the frequency is doubled?
When the frequency is doubled, the resistance of a circuit remains unchanged. Resistance in a circuit is independent of frequency and is determined by the material and physical dimensions of the resistor.
Does frequency depend on mass?
No, frequency does not depend on mass. Frequency is determined by the rate of vibration of an object and is independent of its mass.
Does resistance depend upon current?
The higher the resistance the lower the current flow. It restricts the flow of electrical current. The resistance will not depend upon the current. The current flow will depend on the resistance.
What does Hotbird network search frequency depend on?
The Hotbird network search frequency will depend on where you live and how far you are from a tower.
What is the standard frequency and on which factors does it depend on?
standard frequency in India is 50Hz
What does the energy of an electromagnetic wave depend?
Frequency
What does the energy of the electromagnetic wave depend on?
Frequency
What does the energy of an electromagnet wave depend on?
Frequency
Frequency depends on voltage or current?
Frequency doesn't depend on either voltage or current.
How does changing the frequency affect the wave speed?
The speed of a wave doesn't depend on its frequency.
What are 3 ways to reduce resistance?
divide frequency
