The Heater Element Of A Particular 120v Toaster
The heating element of a special 120V toaster, which is 8.2 meters long, is made of nichrome wire. Is the diameter 0.27 mm? 3
The heating element on some 120V toasters is made of 8.2m long nichrome wire with 0.27mm diameter. The specific resistance of Nichrome at roster operating temperature is 1.3 × 106 × × m. How much energy does the grill use when running at 120V?
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P = U² / R
R = Â € Â L / S
R = ⠀ L / (à  x D² / 4)
. . . Finally:
P = × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×. × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×. × 3
P = 120, ² x € x 0.00027, ² / (4 x 1.3 € 10 6 x 8.2)
P = 77.34 watts
