Chapter 22, Problem 59A

To determine

Electrical current through dryer.

Answer to Problem 59A

  $I=19.09\text{A}$

Explanation of Solution

Given:

Power rating of dryer, $P=4200\text{W}$

Applied voltage, $V=220\text{V}$

Formula Used:

The electrical power is given as,

  $P=VI$

Where, $P$ is electrical power, $V$ is applied voltage and $I$ is current produced.

Calculation:

On substituting the given values in above relation,

  $\begin{array}{l}4200=220\times I\\ \Rightarrow I=\frac{4200}{220}\text{A}\\ =19.09\text{A}\end{array}$

Conclusion:

Therefore, the electrical current through the dryer is $I=19.09\text{A}$