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The heating element of an iron operates at 110 V with a current of 11 A.(a) What is the resistance of the iron? Ω(b) What is the power dissipated by the iron? W
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The heating element of an iron operates at 110 V with a current of 11 A.(a) What is the resistance of the iron? Ω(b) What is the power dissipated by the iron? W

User Plog
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1 Answer

11 votes
11 votes

(a)

In order to calculate the resistance, we can use Ohm's Law:


\begin{gathered} R=(V)/(I)\\ \\ R=(110)/(11)\\ \\ R=10\text{ \Omega} \end{gathered}

(b)

To calculate the power, we can use the formula below:


\begin{gathered} P=I\cdot V\\ \\ P=11\cdot110\\ \\ P=1210\text{ W} \end{gathered}

User Nicolas Zanotti
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