The output of the autotransformer is increased until the full rated current flows in the primary and secondary circuits. The supply voltage to the transformer is low, and the flux in the iron core is also low, and so the iron losses are negligible. The power registered on the wattmeter W can be taken as the total copper losses in the.

The full load copper loss of a transformer is 1000 watts, the copper loss at half load(50% Load) will be; P cu = ( % Load/100) 2 x P = ( 50/100) 2 x 1000 = ( 1/2) 2 x 1000 = 1/4 x 1000 P cu = 250 Watts. Thus the copper loss of the transformer at 50 % load is equal to the 1/4 th of the full load copper loss. The copper loss at 3/4 th load is.

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Prices updated on : 22-May-2023 #1 Copper Scrap Prices in Canada Current #1 Copper Scrap Prices in Canada. The prices listed below are national average prices paid by scrap yards in the Canada. Prices are collected from scrap yards directly and updated bi-weekly.

Solution Verified by Toppr Correct option is B) Curd and sour substances contain acids. These acids react with the metals in brass and copper vessels to produce salt and hydrogen gas. This will corrode the metal and result in the spoilage of food. Therefore, option B is correct. Was this answer helpful? 0 0 Similar questions

Answer: uring the electrolytic refining of copper, pure copper is deposited at the anode. Explanation:

Answer: Zinc displaces copper from copper sulphate and generates zinc sulphate solution when added to CuSO4 solution because zinc is a more reactive metal that displaces less reactive metal from its solution. A color change from blue to colorless indicates this. The color of CuSO4 solution is blue, while ZnSO4 The solution is colorless. The chemical […]

Answer to these questions should be in the range of 80 to 120 words. vii. Section E consists of 3 source-based/case-based units of assessment of 04 marks each with sub-parts.

Curd and sour substances should not be kept in brass and copper vessels because when acid reacts with metal such as brass and copper then salt is formed and hydrogen gas is released . which gas is usually liberated when an acid reacts with a metal ?

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bcoz iron displaces copper and form the solution iron sulfide Explanation: when we dip iron nail in copper sulfate solution,then iron starts reacting with the solution and due to displacement reaction between them iron is stronger metal than copper so it displaces copper and form iron sulfide:

Copper (II) sulfate, also known as copper sulphate, is an inorganic compound with the chemical formula Cu SO 4. It forms hydrates CuSO4·nH2O, where n can range from 1 to 7. The pentahydrate ( n = 5), a bright blue crystal, is the most commonly encountered hydrate of copper (II) sulfate.