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

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

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Capacitor start capacitor run motor
Split phase motor
Universal motor
Capacitor start motor

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DGVCL Exam Paper (11-12-2011)
Due to skin effect

Portion of the conductor near the surface carries less current and the core of the conductor carries more current
Uniform current flows through the conductor
Portion of the conductor near the surface carries more current and the core of the conductor carries less current
Current flows through the half cross section of the conductor

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