DGVCL Exam Paper (11-12-2011)
Hysteresis in an instrument means

The reliability of the instrument
The change in the same reading when the input is first increased and then decreased
The repeatability of the instrument
The inaccuracy due to change in temperature

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DGVCL Exam Paper (11-12-2011)
The corona effect can be minimized by increasing

Spacing between the conductors
Both spacing between the conductors and diameter of the conductor
Diameter of the conductor
The length of the conductor

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