DGVCL Exam Paper (12-06-2016)
A 17 inch personal computer uses approximately 150 watts in an hour. If you have same computer on for only 4 minutes (for checking e-mail) what would be the power consumption?

0.01 kW
None of these
0.1 kW
0.04 kW

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DGVCL Exam Paper (12-06-2016)
What will happen if the primary of a transformer is connected to DC supply?

Transformer may start to smoke and burn
Transformer will operate with low efficiency
Transformer will operate with high efficiency
No effect

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

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

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