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| Q. |
STC networks can be classified into two categories: low-pass (LP) and high-pass (HP). Then which of the following is true? |
| A. | hp network passes dc and low frequencies and attenuate high frequency and opposite for lp network |
| B. | lp network passes dc and low frequencies and attenuate high frequency and opposite for hp network |
| C. | hp network passes dc and high frequencies and attenuate low frequency and opposite for lp network |
| D. | lp network passes low frequencies only and attenuate high frequency and opposite for hp network |
| Answer» B. lp network passes dc and low frequencies and attenuate high frequency and opposite for hp network | |
| Explanation: by definition a lp network allows dc current (or low frequency current) and an lp network does the opposite, that is, allows high frequency ac current. | |
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