MGVCL Exam Paper (30-07-2021 Shift 2)
Operating system is

a layer between the user and the hardware
a program that runs for short duration
a program that runs during log off
a program that runs during log off

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MGVCL Exam Paper (30-07-2021 Shift 2)
The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss ____ and the magnetizing current (Im) ____

decreases, increases
increases, remains constant
increases, increases
remains constant, decreases

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