A 60 W, 120 V lightbulb has a resistance of 12.7 ? when cold (20.0
Power Consumption when it is turned on
P=V2/R =1202/12.7 =1133.86 Watts
Power Consumption when it is hot
P=1202/162 =88.89 Watts
Lightbulb A is marked "40 W 120 V", and lightbulb B is marked "75 W 120 V". These labels mean that each lightbulb has its respective power delivered to it when it is connected to a constant 120-V source. (a) Find the resistance of each lightbulb. R(40 W 120 V) = Ω R(75 W 120 V) = Ω (b) During what time interval does 2.30 C pass into lightbulb A? Δt = s (d) In what time interval does 3.00...
Lightbulb A is marked "10.0 W 120 v," and lightbulb B is marked 100 W 120 V." These labels mean that each lightbulb has its respective power delivered to it when it is connected to a constant 120-V source. (a) Find the resistance of each lightbulb. (b) During what time interval does 2.00 C pass into lightbulb A? (c) Is this charge different upon its exit versus its entry into the lightbulb? Yes O No Explain. This answer has not...
Two light bulbs both operate on 120 V. Which draws less current a 60-W lightbulb or a 75-W bulb? Which one has the lower resistance?
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 152 Ω when on (hot). Estimate the temperature of the filament when hot assuming an average temperature coefficient of resistivity α=0.0045(C)−1.
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 124 Ω when on (hot). Estimate the temperature of the filament when hot assuming an average temperature coefficient of resistivity α=0.0045(C)−1.
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 128 Ω when on (hot). Estimate the temperature of the filament when hot assuming an average temperature coefficient of resistivity α=0.0045(C)−1.
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 128 Ω when on (hot). Estimate the temperature of the filament when hot assuming an average temperature coefficient of resistivity α=0.0045(C)−1.
A 60-W lightbulb connected to a 120-V source experiences a voltage surge that produces 136 V for a moment. By what percentage does its power output increase? Assume its resistance does not change Need Help?ReadIt
A "120-watt" lightbulb uses an average power of 120 W when connected to an rms voltage of 120 V. What is the resistance of the lightbulb? What is the maximum current in the bulb? What is the maximum power used by the bulb at any given instant of time?
helppp NUR YILDIRIM Seminacigimmmm Az önce When a 60-W lightbulb is operating on a 120-V household line, what current does it draw? Select one: a. 40J/C b. 0.5 A C. 1.414 A d. 2.0 A e. 120 J/C