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Is copper sulfate a physical or chemical change when heated?
Thermal decomposition and loss of water are chemical changes.
Is copper conductor the most efficient material for transmitting electricity?
Copper is a highly efficient material for transmitting electricity due to its low resistance, which allows for minimal energy loss during transmission.
Why are connection wires made of copper?
Copper is an ideal material for connection wires due to its excellent electrical conductivity, corrosion resistance, and ability to easily be formed into wires. These properties make copper wires efficient in transmitting electricity with minimal energy loss and ensuring a reliable connection in various applications.
Why do plugs use copper?
Copper is used in plugs because it is an excellent conductor of electricity, meaning it allows electricity to flow easily through the plug without significant resistance. This helps to ensure efficient transfer of electrical current without causing overheating or power loss. Additionally, copper is a durable and malleable metal, making it ideal for creating the intricate shapes of plugs.
Why colour of copper sulphate crystals changes on heating?
The color change of copper sulfate crystals on heating is due to the loss of water molecules from the crystal lattice. The blue color of hydrated copper sulfate is due to the presence of water molecules within the crystal structure. When heated, these water molecules are driven off, leading to a white color (anhydrous copper sulfate) as the crystal becomes dehydrated.
Is copper a borrower or a lender?
Copper loss electrons.
Calculate copper losses at 75c?
Copper Loss at 75 C = Copper Loss at Ambient Temperature C * (310/(235+Ambient Temperature C))
Why iron loss is constant but copper loss is variable in a transformer?
Iron loss it includes the core loss is partically the same at all loads and copper loss the value of cu loss is found from short circuit test
Types of losse in AC generator?
stray loss copper loss
What is the losses of three phase induction motors?
Iron Loss Copper Loss Frictional loss
Why copper loss is called variable loss?
Cu loss means I^2*R loss so it depends on R and I.If we make wire more resistive it means it will increase the value of R so copper loss will be increase.So to concentrate on wire size we can vary the R value and can protect the copper loss.So it is called variable loss.
Which loss in transformer varies significantly with load?
Copper loss varies with the load.
What is the net charge of a copper atom if it gains two electrons?
Copper loss electrons.
Full load copper loss of a 100 KVA transformer is 800W Its copper loss at 75 percent load will be?
100 is to 800 as 75 is to X. Cross multiply, 100 x X and 800 x 75, 100X = 60000. To get rid of the 100 divide it into both sides of the equation. X = 600. If the copper loss is linear, at 75 percent the copper loss will be 600 watts.
Is there any bend loss in copper wire?
Yes.
Why the efficiency of a power transformer increases with a decrease in Load at constant PF?
Maximum efficiency of a power transformer occurs when copper loss equals to iron losses. Decrease in current does not result in increase in efficiency unless the copper loss was more than iron loss and the decreased current made the copper loss is reduced and became equal to iron loss at some point.
Does voltage drop and copper loss are same thing?
Voltage drop and copper loss are not the same thing, though they are related. Voltage drop refers to the reduction in voltage as electrical current flows through a conductor, primarily due to its resistance. Copper loss, on the other hand, specifically refers to the power loss (in watts) that occurs due to the resistance of the copper wire, calculated using the formula I²R, where I is the current and R is the resistance. While both concepts involve resistance, voltage drop focuses on the change in voltage, while copper loss quantifies energy loss as heat.
