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Q. Three loads in parallel are supplied by a single phase 400-V, 60-Hz supply:
Load A: 10 kVA at 0.8 leading power factor
Load B: 15 kW at 0.6 lagging power factor
Load C: 5 kW at unity power factor
(a) Find the real power, reactive power, volt-amperes, and line current drawn from the supply by the combined load.
(b) If the supply line is to operate at 0.9 leading power factor, determine the value of the capacitance to be placed across the load.
Permanent magnets are made of (A) Soft magnetic materials. (B) Hard magnetic materials. (C) Semi conductors. (D) Super conductors.
Q. Briefly Explain Energy and Power? If a charge dq gives up energy dw when going from point a to point b, then the voltage across those points is defined as v = dw/dq If
i want to prodused domestic power factor correction like industial
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