A light bulb,sold as long-lasting,is rated 120 W at 130 V.The "increased" lifetime comes from using it at 120 V.Assuming negligible change in resistance at the different voltage,what is its power consumption at 120 V?
A) 92 W
B) 102 W
C) 108 W
D) 85 W
Correct Answer:
Verified
Q30: A resistor is connected to a battery
Q31: A high-voltage transmission line carries 500 A
Q33: Two resistors of values 6.0 and 12.0
Q34: When a 24.0-Ω resistor is connected across
Q36: A high-voltage transmission line carries 500 A
Q37: Four 8.0-Ω resistors are connected in parallel.What
Q38: If a 500-W heater carries a current
Q39: An electric clothes dryer draws 20 A
Q40: An electric car is designed to run
Q59: Three resistors,each of different value,are used in
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents