A crystal diode functions in applications as______________?
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Answer: B. a rectifier
Explanation
Crystal diodes permit current to flow easily in one direction, making them ideal for rectification power applications. Their asymmetric current voltage characteristic ensures that alternating current is successfully converted into pulsating direct current flow. This unidirectional conductivity property forms the primary working principle behind simple and efficient electronic power supplies. A crystal diode consists of a semiconductor p-n junction that offers low resistance to forward current and high reverse resistance. Rectification transforms bidirectional utility mains electricity into the stable unidirectional power required by most electronic circuits. Semiconductor diodes handle this conversion reliably without moving parts, ensuring long operating lifespans in electronic hardware.
An amplifier requires active devices like transistors or operational amplifiers to boost signal power, which diodes cannot do. An oscillator generates periodic alternating waveforms independently, whereas diodes only process or convert existing electrical signals. A voltage regulator requires specialized components like Zener diodes rather than standard rectifying crystal diodes for regulation.
- Subject
- Engineering
- Category
- Electrical Engineering
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- —
- Difficulty
- medium
Related questions
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