A step-down transformer has an input voltage of 250 V and 500 windings in the primary coil. If the output voltage is 100 V, how many coils are in the secondary?

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Q: 4Ω 12V + R 15 V Ξ 4 Ω

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Q: 10. Describe two ways to determine the total work done by one object on another object.

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Q: A jet plane lands at a speed of V m/s and travels at the constant speed of V m/s for the first 5 s…

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Q: If a sheet of metal is given a coat of paint, does this create a composite? Explain.

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