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|we all know that in transformer, voltage and current are
inversely related i.e. Vp/Vs= Is/Ip....so in standard
CT..we have a ratio of 200/5...that means our voltage
should increase by ratio of 40..althoug that is not the
case...because that requires high insulation level.and
pratically not feasible......can anybody clarify my
|Between rotating armature type and rotating field type
arrangements which one is adopted for large rated
alternators and DC generators.Why there is difference in
|Which type of drive is advantageous AC or DC and why?
|What is the direction of rotation of blades in a table fan
and in a ceiling fan ?
|for testing busbar (33kv) hi-pot .whether we can apply DC r
not.and what is the test volt for that .explain
|why grid frequency varry time to time?
|What is TR of AC?
|Disadvantage of leading power factor
|line vltage of three phase distribution transformer is 433v
and phase voltage is 250v,but we required 230v for domestic
distribution,then how we reduce phase voltage of
|What is Form factor?
|star delta connection used in reduce the starting current
at 3 times . how its reduce the current please explian .
|Can anyone tell me how a 12v battery is transformed to
20,000v at the spark plug
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