Question

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?

Answer 1

ANSWER

$19\text{ windings}$

EXPLANATION

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

$E=40W$

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

$\begin{gathered} 760=40W \\ \Rightarrow W=\frac{760}{40} \\ W=19\text{ windings} \end{gathered}$

That is the answer.