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

Q: If a battery is rated at 57.9 A · h, how much total charge can it deliver before it goes "dead"?

A: Given : Battery  rating 57.9 Ampere Hr. Required : Total Charge it can deliver before going dead.

Q: What is the power consumed by the resistor of 20 ohm connected across 100 V source ?

A: Given, Resistance, R = 20 ohm Source Voltage, V = 100 V

Q: The electric oven in your kitchen is plugged into a 240.0V out and it draws a 19.5 A current. If you…

A: Potential difference = 240 V Current = 19.5 A Time = 30 mins = 1800 seconds

Q: A 1.60×103 watt iron is connected to a 1.20×102 volt line and is operated for 2.75 hours. What is…

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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: An 20.2 W device has 9.01 V across it. How much charge goes through the device in 4.20 h?

A: Power of the device (P) = 20.2 Wpotential difference (V)= 9.01 VTime (t) = 4.20 hoursusing 1 hour =…

Q: A 3.6 A current is set up in a circuit for 28 min by a battery with a 5 V emf. By how much is the…

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Q: 500 2 + + 10 k2 12 V VCE + V BE 5 V 200 2 Q + +

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Q: A 1.5 V D-size battery stores 54 kJ of energy. What steady current could this battery provide for 20…

A: Given data: emf of D-size battery is V=1.5 V Energy stored in the battery is E=54 kJ=54×103J Time…

Q: A 43 Ω component is connected to a 12 V battery. How much energy is expended per second?

A: Given Data: The resistance of a battery is, R=43 Ω The voltage of a battery is, V=12 V   The…

Q: The Nissan Leaf is an all-electric car powered by a 107-hp electric motor and a lithium-ion battery…

A: Given data: -  The power of the car when the battery is fully charged is P = 24 KWh. The voltage…

Q: A copper wire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when…

A: Given data The length of the copper wire is given as l = 2.5 m. The diameter is given as d = 2.5…

Q: Given that V= J/A-s and 1 Kwh = 3.6 x106 J, what does it cost to operate a window-type air…

A: Given V = J/A-s 1 Kwh = 3.6 x 106 J Current = 10 Amp Voltage = 110 V

Q: If 5.0 × 1021 electrons pass through a 32.5 Q resistor in 10 min, what is the potential difference…

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Q: A student examining a flashlight observes that it uses a traditional incandescent light bulb. The…

A: We know, P=VII=PV

Q: What voltage will produce a 0.25 A current through a 4800 Ω resistor?

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Q: A 2.5 kW heater element from a dryer has a length of 59 cm. If a 12 cm section is removed, what…

A: Given values:Power of heater element, P = 2.5 KwInitial length of dryer, Li = 59 cm = 0.59 mFinal…

Q: In the figure ε1 = 3.24 V, ε2 = 0.829 V, R1 = 4.71 Ω, R2 = 1.75 Ω, R3 = 3.59 Ω, and both batteries…

A: From the above figure at A, From loop (1), From loop (2), Substitute the value of equation (1) in…

Q: A 1100 W toaster takes one minute to toast a slice of bread. At 7.0 cents/ (kWh), how much does the…

A: Given value--- power = 1100 W. time = 1 min . rate = 7 cent/kWh . We have to find--- total cost ?

Q: the current of a 30 ohm resistor is measured to be 0.35 amps. what is the emf E of the battery?

A: Given data Resistance (R) = 30 ohms Current (I). = 0.35 A  Emf of the battery = ?

Q: How many electrons pass through a 20-Ω resistor in 10 min if there is a potential drop of 60.4 volts…

A: Given data: Resistance, R=20 Ω Time, t=10 minutes = 10×60 =600 s Potential difference, ΔV=60.4 V

Q: What is the required resistance of an immersion heater that increases the temperature of 1.50 kg of…

A: Write the given values with the suitable variables. m=1.50 kgT1=10 °CT2=50 °Ct=10 min=600 sV=110 V…

Q: The largest number of 100 W electric light bulbs which can be operated from a 240 V supply fitted…

A: Given100 W electric bulbsVoltage=240 VMaximum possible Current (I)= 13 A

Q: A typical AAA battery can move 2000 C of charge at 1.5 V. How long will this run a 50 mW LED?  a.…

A: Voltage, V = 1.5 V  charge, q = 2000 C  Power, P = 50 mW

Q: What current flows through a 2.58-cm-diameter rod of pure silicon that is 19.0 cm long, when 1.00 ✕…

A: According to question--- Given values--- diameter = 2.58 cm. length of rod = 19 cm. voltage = 103…

Q: A heater is being designed that uses a coil of 14-gauge nichrome wire to generate 300 W using a…

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Q: If electrical energy costs 12 cents per kilowatt-hour, then how much does it cost to burn a 100-W…

A: Given data: Power of the bulb, P=100 W Time, t=24 h

Q: A 10 N component is connected to a 12 V battery. How much energy is expended per second?

A: Given:- R= 10 Ω V= 12 V Find:-  How much energy expended per second?

Q: What current flows through a 2.54-cm-diameter rod of pure silicon that is 20.0 cm long, when 1.00 ×…

A: According to ohms law the current of the rod is I=VR Here, R is the resistance,V  is the voltage, I…

Q: a copper wire is 2.50 m long and has a diameter of 2.5 mm. how much current will it draw when…

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Q: What is the rate of the flashlight’s energy consumption, in watts, if it operates at a voltage of…

A: Rate of energy consumption is called Power. Power of flash light can be given as: P=VI Current…

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: A 2.0 kW heater element from a dryer has a length of 80 cm. If a 10 cm section is removed, what…

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Q: electric energy costs

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Q: The potential difference across a resting neuron in the human body is about 75.0 mV and carries a…

A: CONCEPT: We know, Power = potential difference x current So, Power   P=V×I Given, Potential…

Q: How much power is dissipated by a 60 W (120 V) lightbulb when operated, using a dimmer switch, at…

A: P1=60 WV1=120 VV2=100 V

Q: A battery produces 40.8 V when 8.40 A is drawn from it,and 47.3 V when 2.80 A is drawn. What are the…

A: The battery’s terminal voltage can be represented as, Here, ε, I, and r represent the battery’s…

Q: An aluminum wire is 400 m long and 0.7 cm thick. How much is its resistance? How much current can…

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Q: Two different 12-V automobile batteries on a store shelf are rated at 600 and 850 “cold cranking…

A: When a cell is connected across a circuit then the current starts flowing from one point to another…

Q: how many hours do i need to charge my battery in battery charger battery= 2600mAh, 3.7V battery…

A: Given: The rating of the battery is 2600 mAh, and 3.7 V. The battery charger rating is 5 V, and 2 A.

Q: You have a battery marked "6.00 V." When you draw a current of 0.399 A from it, the potential…

A: Emf of battery ε == 6.00 V Current drawn from the battery I = 0.399 A potential difference for this…

Q: What is the % conversion efficiency of a battery charger that inputs 22 W and outputs 1100 mA at 12…

A: The output power is Pout=VI=12 V1.1 A=13.2 W

Q: A 5.5 A current is set up in a circuit for 6.2 min by a rechargeable battery with a 9.0 V emf. By…

A: Given Data   The magnitude of the current is given as I = 5.5 A The time of charging is t = 6.2 min.…

Q: If a battery is rated at 60.0 A · h, how much total charge can it deliver before it goes “dead”?

A: Given data The rating of the battery is: I x t = 60 A.h                                   The…

Q: A 4.7 A current is set up in a circuit for 6.7 min by a rechargeable battery with a 6.0 V emf. By…

A: