That would be a loss of 15/2.5k = 0.58% at full power, all due to copper, as opposed to core or other losses. BTW, this measurement reveals the sum of both the transformer's primary and secondary copper losses at full power, with no phase shift, i.e. with a power factor of 1. It's unrealistic and imperfect, but it's a useful starting point.

This question (and answer) covers both copper losses and iron losses in a power transformer. Here is a slightly modified picture taken from my answer to that question: - It can be a little difficult to distinguish between copper losses and iron losses because the equivalent circuit of a transformer has the primary copper loss component (Rp) in series with the iron loss (Rc).

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Curd and other sour substances should not be kept in brass and copper vessels because these materials react with acids to produce toxic compounds that can be harmful to human health. Brass is an alloy composed mainly of copper and zinc, while copper is a pure metal.

In the electrolytic refining of copper, the impure copper is made from the anode in an electrolyte bath of copper sulfate, CuSO 4, and sulfuric acid H 2 SO 4. The cathode is a sheet of very pure copper.

In this reaction, zinc displaces copper from copper sulphate solution and forms zinc sulphate as zinc is more strongly reactive metal as compared to copper. The colour changes from blue to colourless as copper sulphate is blue coloured and zinc sulphate is colourless. b)2Al + 6HCl = 2AlCl3 + 3H2

The correct answer is : (d) Ferrous sulphate solution remains green with no change in the copper coin.

Best answer Curd and other sour substances contain acids. Therefore, when they are kept in brass and copper vessels, the metal reacts with the acid to liberate hydrogen gas and harmful products, thereby spoiling the food. metal+acid → salt + Hydrogen gas metal + acid → salt + Hydrogen gas

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This cause the solution color to change from blue to green. The copper coating on the nail will give it a refdish-brown color. And we end up with solid copper and a solution of ferrous sulfate.

0:00 / 1:11 How to Write the Formula for Copper (II) sulfate Wayne Breslyn 632K subscribers Subscribe 72K views 3 years ago In this video we'll write the correct formula for Copper (II).