Which of the following is true for a bridge rectifier?a)The peak inver...
All of the given statements are true for a bridge rectifier.
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Which of the following is true for a bridge rectifier?a)The peak inver...
Bridge Rectifier
A bridge rectifier is an electronic component that converts AC (alternating current) into DC (direct current). It consists of four diodes arranged in a bridge configuration. The following is true for a bridge rectifier:
- The peak inverse voltage or PIV for the bridge rectifier is higher than an identical center-tapped rectifier. This is because in a center-tapped rectifier, the voltage across each diode is half the total voltage, whereas in a bridge rectifier, the voltage across each diode is equal to the total voltage.
- The output voltage for the bridge rectifier is higher than the identical center-tapped rectifier. This is because in a center-tapped rectifier, the voltage across each half of the secondary winding is half the total voltage, whereas in a bridge rectifier, the voltage across the entire secondary winding is used.
- A bridge rectifier does not require a center tap on the transformer, which simplifies the transformer design and reduces its size and cost.
- The bridge rectifier has a higher efficiency than a center-tapped rectifier because it utilizes the entire secondary winding of the transformer, whereas in a center-tapped rectifier, only half of the secondary winding is utilized.
- The bridge rectifier produces a pulsating DC voltage, whereas a center-tapped rectifier produces a more stable DC voltage.
Conclusion
All the options mentioned in the question are correct for a bridge rectifier. The peak inverse voltage or PIV for the bridge rectifier is higher than an identical center-tapped rectifier, and the output voltage for the bridge rectifier is higher than an identical center-tapped rectifier. A bridge rectifier does not require a center tap on the transformer, which simplifies the transformer design and reduces its size and cost. Finally, the bridge rectifier has a higher efficiency than a center-tapped rectifier because it utilizes the entire secondary winding of the transformer, and it produces a pulsating DC voltage.
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