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How to minimize the effect of earth capacitance?(a) by increasing the supply voltage(b) by using a series resistance(c) by using a Wagner ground connection(d) by using an inductor across the circuitI have been asked this question during an online exam.Question is from High Voltage Schering Bridge topic in chapter Measurement of Inductance and Capacitance of Electrical Measurements

Answer»

Right answer is (c) by USING a Wagner ground connection

For explanation: In a high voltage Schering BRIDGE, the effect of earth CAPACITANCE on the circuit including the GALVANOMETER and the CONTACT leads is minimized by making use of a Wagner ground connection.



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