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For a particular transformer, the voltage E in the circuits is related to the number of windings W of wire around the core by the equation E = 40W. How many windings will produce a voltage of 760 V?

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ANSWER

[tex]19\text{ windings}[/tex]

EXPLANATION

The voltage, E, is related to the number of windings, W, by the equation:

[tex]E=40W[/tex]

To find the number of windings that will produce 760 V, we have to solve for W when E is 760 V. That is:

[tex]\begin{gathered} 760=40W \\ \Rightarrow W=\frac{760}{40} \\ W=19\text{ windings} \end{gathered}[/tex]

That is the answer.

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