थ्री फेज अल्टरनेटर है एक्स इज इक्वल टू जीरो प्वाइंट 7tu एंड एक्स क्यू इज इक्वल टू जीरो पॉइंट 42 डिटरमाइंड द लोड एंगल एंड पावर फैक्टर ऑफ़ जीरो पॉइंट 800000
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Answer:The fineness of a precious metal object (coin, bar, jewelry, etc.) represents the weight of fine metal therein, in proportion to the total weight which includes alloying base metals and any impurities. Alloy metals are added to increase hardness and durability of coins and jewelry, alter colors, decrease the cost per weight, or avoid the cost of high-purity refine
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