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What three components does a pie type filter use?

1. Two capacitors and an inductor
2. Two inductors and a capacitor
3. Two resistors and a capacitor
4. Two resistors and an inductor

1 Answer

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Final answer:

A pie type filter consists of two capacitors and an inductor. Capacitors are effective for filtering out low frequencies while inductors filter out high-frequency signals. The type of filter created depends on the combination and arrangement of these components.

Step-by-step explanation:

The three components that a pie type filter uses are two capacitors and an inductor. When it comes to filtering out different frequency noises in electrical circuits, capacitors and inductors react differently. A capacitor blocks low frequencies effectively because it allows more time for them to charge and disrupt the current, whereas an inductor impedes high frequencies due to its high reactance at those frequencies.

Inductors are thus used to filter out high frequency signals, such as the high-frequency noise that might be present in AC power that can damage sensitive equipment like computers. Conversely, placing a capacitor in series with a sound system can eliminate low-frequency hums, such as the common 60 Hz hum from electrical systems.

Therefore, the type of filter a component creates depends on whether capacitors or inductors are used. Replacing capacitors with inductors in a filter circuit changes its function from low-frequency to high-frequency.

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