The heating element in an iron has a resistance of 24$\Omega .$ The iron is plugged into a $120-\mathrm{V}$ outlet. What is the power delivered to the iron?
Added by Andrew G.
Step 1
Step 1: Use the formula for power in an electrical element: $P = \frac{V^2}{R}$, where $P$ is power, $V$ is voltage, and $R$ is resistance. Show more…
Show all steps
Your feedback will help us improve your experience
Prabhat Tyagi and 63 other Physics 102 Electricity and Magnetism educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
An electric iron has a current draw of 12.5 A when connected to a 120-V source. What is the resistance of the heating element in the iron?
Ankur S.
An electric iron has a resistance of 5 Ω. What is the power of this heating device if the current flowing through it is 7.75 A? 200 W B 300 W 250 W Sv 60 W
Prabhat T.
(a) How much power is dissipated in a short circuit of 240 -V AC through a resistance of 0.250$\Omega$ ? (b) What current flows?
Recommended Textbooks
University Physics with Modern Physics
Physics: Principles with Applications
Fundamentals of Physics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD