What is pd controller?
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what is the safety of voltage power transformer(2250KVA0
What are electric motors?
which one has maximum efficiency autotransformer or transformer?? and why??
How can eliminate noise problem inside temperature controller temp. variation due to contactor chattering problem.
what happen when increase or decrease size of lamp,light.glass.
why do select 11000v rubber mat even we use only 415Volts
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what happens when the phase and earth wires comes in contact? and why
what is the formula for calculating motor rating? Example: If we want to rotate a 1000 kg waight disc up to 100 RPM, which size motor will require?
what is STUB protection in tranmission system and switch yard area?
what does a k rating in a transformer means?
What are the transformer losses?
why most of the induction are delta connected?