Ratio error can be minimised by _________(a) reducing the turns(b) reducing the current(c) increasing the voltage(d) using a good core materialThe question was posed to me in an interview for job.This key question is from Reduction of Errors in Potential Transformers topic in chapter Extension of Instrument Ranges of Electrical Measurements

Ratio error can be minimised by _________(a) reducing the turns(b) red

1.	Ratio error can be minimised by _________(a) reducing the turns(b) reducing the current(c) increasing the voltage(d) using a good core materialThe question was posed to me in an interview for job.This key question is from Reduction of Errors in Potential Transformers topic in chapter Extension of Instrument Ranges of Electrical Measurements
Answer» The correct answer is (d) using a GOOD core MATERIAL The explanation: By making use of a good quality core material, low value of flux density and following REQUIRED PRECAUTIONS in the core assembly we can MINIMISE the value of the ratio error.

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