An electric car accelerates for 9.9 s by drawing energy from its 340-V battery pack. During this time, 1700 C of charge pass through the battery pack. Find the minimum power rating of the car.

Q: Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the…

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Q: Problem 2: A component uses 55.04 W of power and has a resistance of 16.8 2. Determine the electric…

A: given that,powerP=55.04 WresistanceR=16.8 Ω

Q: How much voltage does a light bulb receive if 5.00 C delivers a total of 250 J of energy? a. 1250 J…

A: Given, Charge Q = 5 C Total energy E = 250 J   We know the expression for voltage is…

Q: Two lightbulbs both operate on 120 V. One has a power of 25 W and the other 100 W. Which lightbulb…

A: Potential difference, V = 120 V Power of the first lightbulb, P1 = 25 W Power of the second…

Q: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

A: Given data: Power rating of bulb is, P=30 W. Operating voltage is, V'=120 V. Time interval is, t=2.6…

Q: In the circuit shown in figure (3) V1 =12V ,find Vs : 4 k! ww 2 kn V1 1 kn Vs 3 kn 6 kN 4 kf2

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Q: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

A: Given Data : The power of the bulb is given as P = 30W. The voltage if the battery is given as V =…

Q: You have a battery marked "6.00 V." When you draw a current of 0.253 A from it, the potential…

A: Answer As the potential difference between the battery terminals is less than the rated value of the…

Q: One heater uses 310 W of power when connected by itself to a battery. Another heater uses 210 W of…

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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: 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: You have a 12.0V motorcycle battery that can move 5000 C of charge. How much energy does it deliver?

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Q: An electric heater is constructed by applying a potential difference of 160V across a wire with a…

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Q: Two 75 W (120V) light bulbs are wired in series, then the combination is connected to a 120 V power…

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Q: A certain battery has 6 cells connected in series, creating a total emf of 8.67 V. What is the emf…

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Q: An electric heater is constructed by applying a potential difference of 107.3V across a wire with a…

A: Potential difference (V) = 107.3 volts Resistance (R) = 5 ohm

Q: The potential difference across a resting neuron in the human body is about 150.0 mV and carries a…

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Q: What is the power of your phone charger if its label reads it 120 V and 15 A?

A: Given Voltage V = 120 V Current I =  15 A

Q: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

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Q: An electric heater is constructed by applying a potential difference of 127V across a wire with a…

A: Potential difference (V) = 127 V Resistance of the wire (R) = 5 ohms Power rating of the heater = P…

Q: An electric heater is constructed by applying a potential difference of 151V across a wire with a…

A: Power rating of heater is given by (P) = V2R Watt V = 151 Volt R = 5 ohm

Q: How much time does it take for 1.0 C to flow through each of the following circuit elements? A.A 60…

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Q: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

A: The expression for power, P=VII=PVI=30120=0.25A

Q: What is the power in watts of a 2.40 ✕ 102 MV lightning bolt having a current of 1.87 ✕ 104 A?

A: Given,Vo=2.4*102MV or 2.4×108VoltsIo=1.87×104A

Q: In the circuit shown in figure (3) V1 =12V ,find Vs: 4 k ww 2 k! V1 1 k2 Vs Fig. 3 6 kN 4 kf 3 kN ww

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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: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

A: Here, we have to calculate the charge.

Q: A 22.0 V battery moves 7.6 x 10^3 C of charge. How much energy does the battery deliver?

A: Given EMF of the battery is V=22.0 V The charge is given as q=7.6×103 C   We have to find the energy…

Q: 33. If the battery has a voltage of 12V, what is the current through the battery? E. 5 A 12 C. 2 A…

A: Given, Emf of battery,V=12 V Resistance,R1=R2=R3=3Ω,R4=1Ω

Q: . A typical lightning bolt has an average current of 3x104A lasting 0.2 s. How much charge is…

A: Current is the rate of flow of charge in a conductor.

Q: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

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Q: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

A: Write a given values of this question. P=30WV=120Voltt=1min=1×60=60sec

Q: An electric heater is constructed by applying a potential difference of 97.6V across a wire with a…

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Q: A light bulb is rated at 300 W when operated at 120 V. How much charge in C enters (and leaves) the…

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Q: The wattage of the headlight is 60 W. Determine the number of particles, each carrying a charge of…

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Q: The potential difference between the terminals of an electric heater is 60 V when it draws a current…

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Q: What is the power of a 1.00 X 102  MV lightning bolt having a current of 2.00 X 104 A ?

A: The expression for the power is, P=VI

Q: The wattage of the headlight is 60 W. Determine the number of particles, each carrying a charge of…

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Q: .A dead battery is charged by connecting it to the live battery of another car with jumper cables.…

A: Representation for the given circuit (and current flow across it) is as shown below.

Q: An electric heater is constructed by applying a potential difference of 100V across a wire with a…

A: Given: voltage V = 100 V resistance R = 5 ohms To find: Power rating P =??

Q: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

A: Given data: P=30 WV=120 Vt=4.1 min Need to determine the charge enters.

Q: The potential difference across a resting neuron in the human body is about 76.0 mV and carries a…

A: The potential difference across a resting neuron in the human body is V = 76.0 mV = 76.0x10-3 V. The…

Q: 33. What is the voltage at node a a. 8V 34. What is the voltage at node c а. 8V b. 10 V c. 20V d.…

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Q: A pulse of electricity measures 305 V, 0.15 A and lasts 500 μs. What power and energy does this…

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Q: The power consumed by a device drawing a 0.8 A when connected to 120 V is A) 12 W B) 15 W C) 60 W D)…

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Q: Assuming 95.0% effciency for the conversloh of electrla power by the motor, what current must the…

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