How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?
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what is the difference between electrical choke and electronic choke?
we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V
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Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?
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What is the meaning of BREAKING and MAKING CAPACITY in case of CIRCUIT BREAKERS.
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1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be
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