Multiple Choice
The heating element of a toaster is a 5.4-m length of nichrome wire of diameter 0.48 mm.The resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10-6 Ω ∙ m.The toaster is designed to operate at a voltage of 120 V.How much power does it draw in normal operation?
A) 370 W
B) 360 W
C) 380 W
D) 400 W
E) 410 W
Correct Answer:

Verified
Correct Answer:
Verified
Q187: When two or more different capacitors are
Q188: A rod is 4.0 m long and
Q189: A 5.0-μF,a 14-μF,and a 21-μF capacitor are
Q190: How much charge must pass by a
Q191: When a potential difference is applied across
Q193: A 1500-W heater is connected to a
Q194: In the circuit shown in the figure,R<sub>1</sub>
Q195: The voltage drop across a metal bar
Q196: A 12-V battery is connected across a
Q197: A 1.0-m length of nichrome wire has