At a cost of 9.0 cents/kWh estimate how much this would add to your monthly electric energy bill if you made toast four mornings per week (16 times per month). (units in cents/months)

Q: What is the electrical energy stored per 1 squared micron of cell membrane at the voltage -70 mV?

A: Area of cell membrane=A=1 micron2=1×10-62 m voltage=V=-70 mV=-70×10-3V

Q: Compare the energy consumption of two commonly used items in the household. Calculate the energy…

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Q: You have a 1300 W toaster. How much electrical energy in Joules is needed to make a slice of toast?…

A: The objective of the question is to calculate the electrical energy consumed by a toaster in Joules…

Q: 37. Three identical light bulbs are attached to a battery as shown. Compared to when the switch is…

A: Given Three identical bulbs are connected as shown in the figure.we have to find by what factor the…

Q: The cost of electricity in Saskatoon is currently about 16.35 cents/kWh (including carbon tax). At…

A: Given data: Cost of electricity = 16.35 cents/kWh Power (P) = 80.0 W Time (t) = 2 weeks

Q: Suppose a heart defibrillator consumes 425 j of energy in 10.5 ms. What is the average power output…

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Q: Calculate the cost of leaving 1300 W refrigerator for a year, if the electric company charges you 12…

A: Write the formula for the total amount of power used in a year. Ptotal=watts×hours used per day×days…

Q: Below are free-body diagrams for three electric chamae that lia in the cama nlana Thair relative…

A: We are given system of 3 charges. 2 of the charges are negative and one is positive. We know that…

Q: The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value.…

A: Electricity cost  = $0.120 /kWh

Q: 4. DETAILS MY NOTES ASK YOUR TEACHER What are the expected readings of the following in the figure…

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Q: A 60-W incandescent light bull costs $0.41. An equivalent 18-W compact fluorescent (CFL) bulb costs…

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Q: A solar panel of length L and width W produces 28.4 kWh in a day. Under the same conditions (i.e.…

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Q: Compare the energy consumption of two commonly used items in the household. Calculate the energy…

A: Wtoaster = 0.0967 kWh Wlight = 116 kWhExplanation:Approach to solving the question:Detailed…

Q: A refrigerator using 1028 W runs one-third of the time. How much does the electricity cost to run…

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Q: A particular household uses a 1.9 kW heater 1.8 h/day ("on" time), four 100 W lightbulbs 6.0 h/day,…

A: Heater power= 1.9 kw= 1900 wTime = 1.8 h/d4 Bulbs power= 4*100= 400 wTime =6 h/dElectric stove…

Q: A heating element in a stove is designed to dissipate 2,960 W when connected to 240 V. (a) Assuming…

A: Given Power dissipated in the heating element is P=2960 W Voltage is V=240 V Find the current in the…

Q: R 9. V1 V2 V3 V4 Vs Ideal voltmeters are set to read five effective values and connected as shown…

A: The ideal voltmeters measures the r.m.s value of the voltage across the end points. So, we just have…

Q: What is the available energy content, in joules, of a battery that operates a 2.00-W electric clock…

A: Given data: Power, P=2.00 W Time taken, t=540 days

Q: ne 9-volt battery contains 19.7 thousand joules of energy.  A 4-pack of 9-volt batteries cost $10.31…

A: The energy in one battery E =19.7×103 J Total energy of 4 pack 9V battery is 4E The power is 1 Watt…

Q: Refer to the figure. 12.0 V (a) Calculate P3 (in W). W ? V₁ = ? 1.80 Ω R₁ ww R₂ 6.40 Ω 1/2 = ? 1₂…

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Q: If your cell phone has a battery that can hold X milliampere-hours of charge, how long will the…

A: Milliampere-hour refers to the charge stored indie the battery. So if the battery has X…

Q: Suppose you leave a 50 W bulb on for a month. Approximately how much will you pay for using that…

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Q: To recharge a 12 V battery, a battery charger must move 4 × 105 C of charge from the negative…

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Q: Cost of Electricity A refrigerator is an appliance that is left running all the time. In New…

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Q: Problem 2: A large household air conditioner may consume 15.5 kW of power during normal operation.…

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Q: The cost of electricity in Los Angeles is 5 cents per 1,000,000 joules. Suppose a small 2000-watt…

A: Given data: Cost of electricity = 5 cents per 1,000,000 J Power (P) = 2000 W Time (t) = 3 hours…