The Heater Element of a Particular 120-V Toaster Is a 8.9-M

question 21

Multiple Choice

The heater element of a particular 120-V toaster is a 8.9-m length of nichrome wire, whose diameter is 0.86 mm. The resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10^-6 Ω ∙ m. If the toaster is operated at a voltage of 120 V, how much power does it draw?

• A) 720 W
• B) 700 W
• C) 750 W
• D) 770 W
• E) 800 W

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