In a flashlight, the current is 0.40 A and the voltage is 3 V. Find the electrical energy dissipated in the bulb in 5.5 minutes of operation. O 400 J O -1.2 W O 0.04J O 1.2 W
Q: 7. Using source transformation, calculate Vm. 62 & V 4 V 12 2 120 2A a) 2v b) -2v c) 1v ) -1v
A: Resistor in series with voltage source can be transformed into a current source with same resistor…
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A: Potential difference = V = 158.4 V Resistance = R = 5 ohm Power will be given by following formula:…
Q: (10%) Problem 6: A battery (4V= 1.7 V) contains E = 1.7 kJ of energy. It is connected to a P = 5.5 W…
A: (a) The expression for the resistance of the light bulb is, P=V2RR=∆V2P
Q: 92 2452 3052
A: Power = I2 R Current I = V/R
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A: Given,
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Q: At what rate is energy supplied from a 1.00 volt battery with a current of 0.200 amps? P = IM W
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A: Given., Thermal energy is generated W = 177 J For time t = 7.69 Voltage V = 12 V We know the…
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Q: A flashlight, which uses a 3.0 V battery, is turned on for 2.0 minutes. If the current in the…
A: Given that-Battery Voltage, V= 3.0 VoltTime, t= 2 minutes= 120 secondsCurrent, I= 100 mA=0.100 A
Q: A 60-W incandescent light bull costs $0.41. An equivalent 18-W compact fluorescent (CFL) bulb costs…
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- Referring to the given figure where V= 6 V, use source transformation to determine the current and power absorbed by the 8-0 resistor. 82 ww ЗА 10Ω The current absorbed by the 8-S resistor is The power absorbed by the 8-N resistor is A. W. ww@Question 10 A 1500-W heater is connected to a 120-V line. How much heat energy does it produce in 2.0 hours? 1.5 kJ 3.0 kJ 18 MJ O 11 MJ
- At what rate is thermal energy being generated in the 2R-resistor when e = 18 V and R = 3.0 o? R Select one: a. 24 W b. 6.0 W C. 13.5 W d. 18.4 W e. 1.5 WThe periodic current shown is applied to a 1 kΩ resistor. Calculate the exact value of the average power dissipated in the1 kΩ resistor.Problem 6: Suppose the cost of an incandescent bulb is 23 cents and that electricity costs 12 cents/kWh. Compact fluorescent lightbulbs (CFL), while they are more expensive, use 1/10 of the power for the same amount of illumination. What would be the maximum cost (in dollars) of a CFL such that the total cost (investment plus operating) would be the same for both CFL and incandescent 60 W bulbs? Assume both lightbulbs run for 1000 h.
- A 9 W led lightbulb emits the same light as a 60 W standard lightbulb. If a power company charges 10 cents per kW.h, then how much money do you save by using the led lightbulb instead of the standard lightbulb for 30 days?#13How much energy is dissipated as heat during a two-minute time interval by a 2.1 k. resistor which has a constant 20 V potential difference across its leads? а. 22.86 J b. 10.88 J c. 11.43 J d. 45.71 J е. 5.71 J
- A flashlight, which uses a 3.0 V battery, is turned on for 2.0 minutes. If the current in the flashlight is 100 mA, what is the energy dissipated? A. 121 J B. 9.0 J C. 72 J D. 36 JThe 10 resistor in (Figure 1) is dissipating 35 W of power. Figure ww -ww 10 (2 5.0 92 ww 20 (2 1 of 1 How much power is the 5.0 2 resistor dissipating? Express your answer with the appropriate units. Pso = Submit ▾ Part B μA P20 = Value Submit X Incorrect; Try Again; 5 attempts remaining Previous Answers Request Answer How much power is the 20 S2 resistor dissipating? Express your answer with the appropriate units. Units HA Value [w] < Return to Assignment Units Previous Answers Request Answer ? X Incorrect; Try Again; 4 attempts remaining Provide Feedback ?Compare the energy consumption of two commonly used items in the household. Calculate the energy used by a 1.00 kW toaster oven, Wtoaster , which is used for 5.20 minutes, and then calculate the amount of energy that an 11.0 W compact fluorescent light (CFL) bulb, Wight, uses when left on for 9.00 hours. kWh Wtoaster kWh Wight =