In an unregulated power supply, if load current increases, the output voltage _____________?
A. Remains the same
B. Decreases
C. Increases
D. None of the above
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In an unregulated power supply, if input a.c. voltage increases, the output voltage _______________?
A. Increases
B. Decreases
C. Remains the same
D. None of the above
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Commercial power supplies have voltage regulation ______________?
A. Of 10%
B. Of 15%
C. Of 25%
D. Within 1%
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A power supply which has voltage regulation of ____________ is unregulated power supply?
A. 0 %
B. 5 %
C. 10 %
D. 8%
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An ideal regulated power supply is one which has voltage regulation of________________?
A. 0%
B. 5%
C. 10%
D. 1%
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The rupture of co-valent bonds will occur when the electric field is__________________?
A. 100 v/cm
B. 6 v/cm
C. 1000 v/cm
D. More than 105 v/cm
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Zener diode can be used as__________________?
A. C. voltage regulator only
B. C. voltage regulator only
C. Both d.c and a.c voltage regulator
D. None of the above
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The cold rolled grain oriented steel has _________ permeability in the direction of the grain orientation?
A. Minimum
B. Maximum
C. Nil
D. None of the above
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Cylindrical windings using circular conductors, employed in transformers, are_____________?
A. Single layered
B. Double layered
C. Multi-layered
D. None of the above
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Multi-layer helical windings are commonly used in the transformers as high voltage windings_______________?
A. Upto 20 kv
B. Upto 50 kv
C. Upto 80 kv
D. For 110 kv and above
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Word of the Day
16 Sep
Incarcerate
imprison or confine.
قید کرنا، اسیری

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