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How is the high voltage obtained?(a) by using a step up transformer(b) by using a high voltage source(c) by using a step down transformer(d) by using a high current sourceI had been asked this question in an interview for job.Question is from High Voltage Schering Bridge topic in chapter Measurement of Inductance and Capacitance of Electrical Measurements

Answer»

The correct choice is (a) by using a STEP up transformer

Explanation: HIGH voltage SUPPLY for a SCHERING bridge is obtained by making use of a step up transformer. The frequency for the high voltage supply used in a Schering bridge is 50 Hz.



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