An increase in apparent resistance in a conductor causes a voltage drop and power loss. This phenomenon is called the proximity effect. A conductor's material, diameter, and structure all influence the intensity of the proximity effect.
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In a conductor carrying alternating current, if currents are flowing through one or more other nearby conductors, such as within a closely wound coil of wire, the distribution of current within the first conductor will be constrained to smaller regions. The resulting current crowding is termed the proximity effect. This crowding gives an increase in the effective resistance of the circuit, which increases with frequency
Effects
The additional resistance increases power losses which, in power circuits, can generate undesirable heating. Proximity and skin effect significantly complicate the design of efficient transformers and inductors operating at high frequencies, used for example in switched-mode power supplies.
Answers & Comments
Answer:
An increase in apparent resistance in a conductor causes a voltage drop and power loss. This phenomenon is called the proximity effect. A conductor's material, diameter, and structure all influence the intensity of the proximity effect.
[tex] \underline{ \underline{ \mathbb{ \pink{ \sf \: your \: answer}}}}[/tex]
In a conductor carrying alternating current, if currents are flowing through one or more other nearby conductors, such as within a closely wound coil of wire, the distribution of current within the first conductor will be constrained to smaller regions. The resulting current crowding is termed the proximity effect. This crowding gives an increase in the effective resistance of the circuit, which increases with frequency
Effects
The additional resistance increases power losses which, in power circuits, can generate undesirable heating. Proximity and skin effect significantly complicate the design of efficient transformers and inductors operating at high frequencies, used for example in switched-mode power supplies.
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