Question

A certain toaster has a heating element made of Nichrome wire. When the toaster is first connected to a 120-V source (and the wire is at a temperature of 20.0°C, the initial current is 1.80 A . The current decreases as the heating element warms up. When the toaster reaches its final operating temperature, the current is 1.53 A. (a) Find the power delivered to the toaster when it is at its operating temperature.

Answer 1

The power delivered to the toaster when it is at its operating temperature is 183.6 Watts

What is power?

Power can be described as the ability to do work, however, it can be found through the resistance and the current by using the formular, P=VI.

Voltage V1= 120V

initial current  I=  1.80 A

The power can be calculated using the formula as :

P=VI

where

I= current is 1.53

Voltage V1= 120V

Power= (120 * 1.53)

= 183.6 Watts

Therefore, power delivered to the toaster when it is at its operating temperature is 183.6 Watts

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