Electrical Engineering Management

23 questions and answers

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Describe the process of capacitance measurement using De Sauty’s bridge and draw the relevant phasor diagram. State the limitations of the bridge.

For measurement of capacitance and dissipation factor Schering bridge is widely used. The phasor diagram and circuit diagram of the bridge are as follows:

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Explain the relevant circuit diagram, the principle of measurement of low resistance by kelvin’s double bridge. Prove that the condition of balance is independent of the read resistance. Up to what low value it can be used?

The kelvin bridge is a notification of the Wheatstone bridge with greater increased accuracy in measurement of low value resistance. Consider the bridge circuit shown in the figure.

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