The battery for a certain cell phone is rated at 3.70 V.According to the manufacturer it can produce 3.15 * 10^4 J of electricalenergy, enough for 5.25 h of operation, before needing to berecharged. Find the average current that this cell phone draws whenturned on.

Q: 3. A regular tetrahedron is a pyramid with a triangular base. Six R = 10.0 2 resistors are placed…

A: The resistance of each resistor, R=10 Ω The applied voltage, V=12V

Q: An engineer wishes to replace a 2.00 m wire with a 35.0 cm wire and use a 11.0 V supply instead of…

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Q: What current (in A) must be produced by a 12.0 V battery-operated bottle warmer in order to heat…

A: Given data: Potential difference ΔV= 12 V Mass of glass mg=74 g=0.074 kg Specific heat of the glass…

Q: For the circuit shown in the figure, calculate the following. (Assume E = 7.32 V andR 6.60 N.)

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Q: A typical cellular phone consumes an average of about 1.10 W of electrical power and operates on…

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Q: Using Kirchhoff's rules, find the following. (E, = 70.4 V, E, = 61.8 V, and E, = 79.6 V.) 4.00 kN d…

A: Let's use Kirchoff's voltage law for the point C E1-E2-I1R1-I1R1=0

Q: The label on an 18 V truck battery states that it Is rated at 189 A∙h (ampere-hours). Treat the…

A: Given that: The battery voltage v= 18 V The battery is rated at 189 Ah The current is I=3.8 A   It…

Q: What current (in A) must be produced by a 12.0 V battery-operated bottle warmer in order to heat…

A: Mass of glass = 70 g Mass of baby formula = 200 gMass of aluminum = 350 g Initial temperature = 20oC…

Q: A typical cellular phone consumes an average of about 1.32 W of electrical power and operates on…

A: Given data: The average power consumed by the cellular phone is, P =1.32 W The voltage required is,…

Q: A 58.3-2 resistor is connected in parallel with a 115.2-02 resistor. This parallel group is…

A: Voltage of total combination is V=17.4 voltsR1=58.3 ΩR2=115.2 ΩR3=20.8 Ω

Q: (a) Given a 60.0 V battery and 14.00 and 72.00 resistors, find the current (in A) and power (in W)…

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Q: Es E2

A: Given values: R 1 = 2.00 kΩ, = 2000 ΩR 2 = 3.00 kΩ,  = 3000 ΩR 3 = 8.00 kΩ   = 8000 Ωε1 = 77.0 V, ε2…

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 1.50 m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a…

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Q: For the circuit shown in the figure, calculate the following. (Assume E- 8.46 V and R = 6.48 N.)…

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Q: In a given fluid, positive ions, each with two excess protons, move towards right at a steady rate…

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Q: Using Kirchhoff's rules, find the following. (&₁ = 71.0 V, ₂ = 61.0 V, and 3 = b - a E₁ 1 IR2 IR3…

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Q: A 2002 load receives power from parallel-connected battery cells, as shown in the figure below.…

A: r1 = 1 ohm V1 = V2 = 12 V r2 = 1 ohm R = 20 ohm

Q: If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost (a) To…

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Q: Using Kirchhoff's rules, find the following. (E, 71.0 V, E,-60.4 V, and E, - 79.8 V.) 2.000 www R₂…

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Q: The capacity of a storage battery, such as those used in automobile electrical systems, is rated in…

A: When a potential difference is present across a conductor, and a current passes through it, the…

Q: A 12.0 V emf automobile battery has a terminal voltage of 16.4 V when being charged by a current of…

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Q: A 120 V potential difference is applied to a space heater whose resistance is 17 Q when hot. (a) At…

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Q: Question 4. (a) If a battery with a 0.100 1 internal renistance supplies 15.0 W of total power with…

A: The terminal voltage of a battery is  ∆V=ε-IR…

Q: If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To…

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Q: Consider a portable electric blanket that runs on a 6 V battery. If you use copper wire with a 0.75…

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Q: What current (in A) must be produced by a 12.0 V battery-operated bottle warmer in order to heat…

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Q: The total charge a battery can supply is rated in mA • h, the product of the current (in mA) and the…

A: Given: The voltage is 1.2 V. The current is 22Ω. The rating of battery is 1800 mAh.

Q: Determine (a) the current through the 18 V battery and (b) the potential difference between points a…

A: Use Kirchhoff's current law and Kirchhoff's voltage law to calculate the currents flowing in the…

Q: In the figure, take R 1 = 2.00 kΩ, R 2 = 3.00 kΩ, R 3 = 8.00 kΩ and ε 1 = 77.0 V, ε 2 = 57.0 V, ε 3…

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Q: of decorative outdoor lights is left on for 12.0 h. The lights draw a current of 2.00 A, and run on…

A: Given  Time t  = 12 h = 12×60 × 60 =  43200 sec  Current I = 2 A  Potential difference V = 120 V

Q: An electric car is designed to run off a bank of 12.0 V batteries with a total energy storage of…

A: Given Information: The power is P=7200 W The total storage energy is E=2.30×107 J The batteries…

Q: Using Kirchhoff's rules, find the following. (₁ = 70.6 V, E₂ = 61.0 V, and E3 = 79.0 V.) 4.00 ΚΩ ||…

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Q: Nichrome wire of cross-sectional diameter 0.499 mm is to be used as a so-called heater wire. The…

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Q: (a) Of what material is a wire made, if it is 20.0 m long with a 0.150 mm diameter and has a…

A: Given data:  Length (L) = 20.0 m Diameter (d) = 0.150 mm = 0.150 × 10-3 m Initial Resistance (Ro) =…

Q: Using Kirchhoff's rules, find the following. (₁ = 70.4 V, 8₂= 60.8 V, and 8 = 78.4 V.) 4.00 ΚΩ - IR3…

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Q: Find the current through R1=42kΩ and R2=48kΩ from the figure given. Here E1=8V and E2=13V and find…

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Q: An electron beam consist of 1016 electrons passing through a given cross section n one minute. (a)…

A: Given value--- An electron beam consist of 1016 electrons passing through a given cross section n…

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: 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