power, P = V2/R
thus R = V2/P = 1102/100 = 121 ohms
rms current, I = V/R = 110/121 = 0.9A
so option d is correct
An incandescent lightbulb is rated at 100 Watts when plugged into a 110 V-rms household outlet....
1. upon write your student ID and name. WILL Uuestions I Type: circle the correct answer. (2 Points Each = 16 Points) An incandescent lightbulb is rated at 100 watts when plugged into a 110-V rms houschold outlet Calculate the resistance of the filament and the rms current. a. 12.2 2,0.91 A (rms) b. 102, 1.0 A (rms) c. 110 92, 1.0 A (rms) d. 121 2,0.91 A (rms) e. 11 12, 1.1 A (rms)
R S proper units to physical quantities unless the quantities are unit less For multiple choice questions please circle the correct option. Write your student ID and name. Multiple Choice Questions I Type: circle the correct answer. (2 Points Each 16 Points) 1. An incandescent lightbulb is rated at 100 watts when plugged into a 110-V mms household outlet Calculate the resistance of the filament and the rms current. a. 12.2 92, 0.91 A (rms) b. 10 12, 1.0 A...
Certain lightbulb is rated at 175.0 W when operating at an rms voltage of 20 V. What is the peak voltage applied across the bulb? _________ V What is the resistance of the bulb? ________ Ohm Does a 100-W bulb have greater or less resistance than a 175.0-W bulb? greater less Explain. __________ This answer has not been graded yet.
Question 5 1 points Save Answer What if you took a bulb rated to produce 100-Watts in a 220-V outlet and plugged it into a 110-V outlet? What is the resistance of such a bulb? Report your answer in ohms.
Lightbulb A is rated at 120 V and 100 W for household applications. Lightbulb B is rated at 12 V and 100 W for automotive applications. Part A What is the current through each bulb? Express your answer using two significant figures. Enter your answers numerically separated by a comma. IVO AXO ? IA, IB = A Submit Request Answer Submit Part B What is the resistance of each bulb? Express your answer using two significant figures. Enter your answers...
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Question 1 Not yet answered Marked out of 1.00 p Flag question A 110-V hair dryer is rated at 1200 W. What current will it draw when operating from a 110-V electrical outlet? Select one: a. 90 mA | b. 11 A O c.5.0 A d. 1.0 A Question 2 Not yet answered Marked out of 1.00 p Flag question A light bulb is connected to a 110-V source. What is the resistance of this bulb if it is a...
A 120-V fish-tank heater is rated at 110 W.1. Calculate the current through the heater when it is operating.2. Calculate its resistance.No referring, please.