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**1. Homework Statement**

A steam iron draws 8.0 A when connected to a potential difference of 120 V.

(a) What is the power rating of this iron? 960 W <<<<correct

*(b) How many joules of energy are produced in 20.0 min?*

320 J <<<incorrect why???320 J <<<incorrect why???

(c) How much does it cost to run the iron for 20.0 min at $0.010/kW·h?

.0032 $ <<<<correct

**2. Homework Equations**

for part b: 960*(20/60) = 320

whys it wrong?!

**1. Homework Statement**

**2. Homework Equations**

**3. The Attempt at a Solution**