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

Q: The energy content of a fully charged 12-V car battery of capacity 50-A hr is approximately

A: The energy in a car battery is the chemical energy that is converted to electrical energy. The power…

Q: How much electrical energy (in kilowatt hours) would a 45.0 W light bulb use in 60.0 days if left on…

A: Given that                     The power of the bulb is (P) = 45W                      Time = 60days…

Q: What is the potential drop across an electric hot plate that draws 5.0A when its hot resistance is…

A: Given: Current, I=5.0A  ;  Resistance, R=24 Ω

Q: What is the resulting voltage when you connect two (2) 1.5 V batteries in series?

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Q: A capacitor with a capacitance of 98 microfarads is discharged through a resistance of 81 kilo-ohms.…

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Q: A rechargeable battery is labeled for 12 V and 1600 mAh*. How much charge can the battery supply at…

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Q: . A battery is rated at 12 V and 160 A-h. How much energy does this battery store? Answer: 6.9 MJ

A: Given that---- V = 12 volt I = 160 amp  t = 1 hour Question ❓ Energy of battery ?

Q: A 400-W computer (computer plus monitor) is turned on 8.0 hours per day. If electricity costs ₱ 9.0…

A: Given Data: Power used by computer per hour = P = 400 W = 0.4 kW Time t = 8 hours /day Cost per kWh…

Q: How much electrical energy (in kilojoules) is transferred to thermal energy in 2.16 hours by an…

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Q: In the stairwell of a 10-storey building, there are two continuously used 75watt safety lamps in one…

A: First, we calculate the total power in kW and then find the total time in hours. We use this to…

Q: What is the voltage across the terminals of a 38 ohms resistor that has 0.082 A of current flowing…

A: Given data :           Current = i            Resistance = R     To find :                Voltage

Q: the average values of each voltage in Figures below are: SV1-7 5 100 V hr m OV- (a) OV- (b) +25 V m…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Consider the terminal voltage of a 3.00 V lithium cell in a digital wristwatch that draws 29 mA.…

A: given: V=3.0 V Ii=29 mA = 29*10-3 ARi=1.8 Ω

Q: A 3.0 Ohm wire is 4.3 meters long. If the wire is cut in half, the resistance will be...?Explain.

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Q: A 200-m length of copper wire has a resistance of 2.0 ohms. Its cross-sectional area is?

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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: The resistance of electric heater is 14 Ohm when connectedto 120 V What is the power consumption of…

A: Given, the resistance of electric heater is R=14 Ohm when connected to a voltage source, V=120 V We…

Q: What is the ratio of resistance , if two bulbs have ratings of 40 W , 220 V and 20 W,110 V .

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Q: 4V r= 20 R

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Q: A traditional filament light bulb has an efficacy of 15 lumen per Watt of electrical power applied.…

A: The luminous efficacy is the ratio of luminous flux to the power. It is given by efficacy=luminous…

Q: the terminal of a cell of emf 4V and internal resistance 0.5ohms are joinby a wire of resistance of…

A: The terminal voltage of a cell is the voltage measured across the terminals of the cell. The…

Q: when a voltage source was connected to the circuit, the total capacitance obtained a charge of 100…

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Q: If 1.85 miles of 24-gauge copper wire has a resistance of 1.47 kΩ and the resistivity of copper is…

A: Given Data:   The length of the copper wire is, L=1.85 miles The resistivity of the copper is,…

Q: The people who live in suburbs use simultaneously: 2Hp aircon for 3 hrs. 900 watts toaster for 9…

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Q: An electrical circuit contains a capacitor of 52 picofarads and a resistor of 1344 ohms. If the…

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Q: What is the potential difference across a 15 ohms resistor when a current of 6.5A passes through it?

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Q: What will be the value of current through a resistor of 40 ohm when the potential difference…

A: Given, Resistance, R = 40 ohm Potential difference, V = 20 V

Q: What is the minimum number of 78 ohms resistors that must be connected in parallel to produce an…

A: Resistance of each resistor (R) = 78 ohm Equivalent resistance (Req) = 11 ohm or lesser

Q: What voltage drop will be there across a 1 kw electric heater element whose resistance when hot is…

A: The electric power in terms of voltage and resistance is  P =V2R

Q: A cell phone contains a battery rated at 2600 mA # h = 2.60 A # h. How many electrons can this…

A: Introduction: Current=ChargeTime Ampere is unit of current mA = milli Ampere is smaller unit of…

Q: The copper has resistivity of 1.7x10^-8 ohm * meter. What is the resistance of a piece of copper…

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Q: if Vs = 15 V and R1 = 1.5 k ohm and the voltage on R1 is 4.69 V. find the value of R2

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Q: The equivalent capacitance of the circuit shown below is

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Q: What total charge passes by a given point in a circuit carrying 12.0 Amps in 1 minute?

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Q: When a 24 resistor is connected across a 12 V battery, a current of 482 mA flows. What is the…

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Q: A 50-ohm load dissipates 200W of power. How much is the voltage and current across the load?

A: Given, resistance of load R =50 ohm  andpower dissipates across the load P =200 Wwe have to…

Q: Four resistors of 1000 ohms each are arranged in a square. What is the resistance across either…

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Q: The resistance of electric heater is 13 Ohm when connectedto 120 V What is the power consumption of…

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Q: An aluminum cube has sides of length 18 m. What is the resistance between two opposite faces of the…

A: Specific Resistance (ρ) is a property of any conductive material, a figure used to determine the…

Q: A charge of 4.50 C passes through a pocket calculator's solar cells in 3.50 h. What is the power…

A: Given data:  Charge (q) = 4.50 C Time (t) = 3.50 h Voltage (V) = 3.50 V Required: Power (P)

Q: What is the maximum voltage that can be applied to a 10-k Ω resistor rated at 1/4W ?

A: Given data The resistance is given as R = 10 kΩ. The Power is given as P=14 W=0.25 W.   The…

Q: In an experiment on muscle a voltage of 6.64 V is applied, resulting in a current of 57.1 mA.  What…

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Q: The resistance of a metal rod with a conductivity 1.6 x 10^5(ohm-cm)^-1 and a length of 6m is…

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