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What is a rectifier used for?(a) Convert ac voltage to dc voltage(b) Convert dc voltage to ac voltage(c) Measure resistance(d) Measure currentI have been asked this question in an internship interview.Query is from Semiconductor Electronics in section Semiconductor Electronics : Materials, Devices and Simple Circuits of Physics – Class 12

Answer»

The correct ANSWER is (a) Convert ac voltage to dc voltage

The best explanation: A rectifier is based on the FACT that a FORWARD BIAS p-n junction conducts and a reverse bias p-n junction does not conduct electricity. The rectifier is used to convert alternating CURRENT voltage (ac) to direct current voltage (dc).



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