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February 2024 StudentZone Quiz Solution

Category: Hardware

Question:

In the context of transformers, what is the purpose of impedance matching, and how is it achieved?

 Answer:

Impedance matching in transformers is used to ensure efficient power transfer between the primary and secondary coils. It is achieved by adjusting the turns ratio between the coils, where the side with lower voltage has a lower impedance, and the side with higher voltage has a higher impedance. This matching is critical for maximizing power transfer and minimizing signal loss.