DGVCL Exam Paper (12-06-2016)
What would happen if a power transformer designed for operation on 50 Hz (frequency) were connected to a 500 Hz (frequency) source of the same voltage:

Transformer may start to smoke and burn
Current will be too much high
No effect
Eddy Current and Hysteresis losses will be excessive

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DGVCL Exam Paper (12-06-2016)
You should choose Sleep option when

The computer is tired after working for the whole day.
When computer gets hanged frequently. Let it sleep for some time.
You finish working and are going to bed.
You are leaving for a very short time and want to resume your work shortly.

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