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Wagner device is a ____________(a) capacitance bridge(b) resistance bridge(c) inductance bridge(d) impedance bridgeI had been asked this question in quiz.My question is from Shielding and Grounding of Bridges topic in chapter Measurement of Inductance and Capacitance of Electrical Measurements

Answer»

The correct answer is (a) CAPACITANCE bridge

Best explanation: A Wagner earth device is generally used for SHIELDING and grounding purpose. It consists of capacitances in the ratio arms along with a series RC combination connected across the ENDS of the bridge forming a potential DIVIDER.



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