DGVCL Exam Paper (12-06-2016)
An Auto-transformer (which has only one winding) may be used as a ______ .

Step-Up Transformer
None of these
Both Step-Up and Step-Down transformer
Step-Down Transformer

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DGVCL Exam Paper (12-06-2016)
A Step Up transformer :

Steps up the level of Voltage
Steps down the level of current
(a) and (b) only
Step up the level of Frequency

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DGVCL Exam Paper (12-06-2016)
The following formula is correct:

All of these
Load factor = Average load for a period x Peak load for the same period
Load facto r= Average load for a period/Peak load for the same period
Load factor = Average load for a period + Peak load for the same period

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