A cell phone battery uses chemistry to create a charge separation between the terminals (anode and cathode). Such a battery is listed as having a capacity of Q = 8.3 × 10^-6 C. (a) If this charge separation consisted entirely of free electrons, how many free electrons would be present in the battery? (b) If the operation of the cellphone requires that 1.1 × 106 electrons move through the circuit every second, how long will a full charge of the battery last in seconds? (c) What current in amperes is passing through the phone?

Q: mference of a circle, a charge with q=−5C is released at some point A , there's a voltage of VA=−12V…

A: Given:-  q = -5 C  The voltage at point A is VA = -12  V  The voltage at the point B is VB = -7 V…

Q: A 9.0 V battery moves 3.5 × 10° C of charge. How much energy does the battery deliver? A 3.9x 10?J B…

A: Given,emf of the battery, V = 9.0 charge, q = 3.5×103 C

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Q: C, AV Şekildeki devrede AV = 20V, C, = 6µF , Cz = 3µF olmak üzere önce S, anahtarı kapatılıyor ve C,…

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Q: Two parallel conducting plates are separated by 10.0 cm, and one of them is taken to be at zero…

A: Given, Separation between the plate d=10 cm =0.1 m Potential at a distance d'=8.05 cm = 0.085 m is…

Q: A cordless electric shaver uses energy at a rate of 3.7 W from a rechargeable 1.8-V battery. Each of…

A: Please see the next step for solution:-

Q: To recharge a 10 V battery, a battery charger must move 3.6 ✕ 105 C of charge from the negative…

A: Here,  Voltage  V= 10 V Charge = 3.6 ×105 Now , Work done = QV = 10×3.6×105 = 3.6×106 J

Q: A certain battery has terminals labeled a and b. The battery voltage is vab = 12 V. a) To increase…

A: Given: The terminal voltage is 12 V. The stored energy is 600 J.

Q: The constants in these equations are α = 5.2 V/m^5 and γ = 1.1 V/m^8. Using this…

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Q: potential difference is V = 12 V. When switch S is closed, how many electrons travel through (a)…

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Q: Two capacitors of capacitance C₁ = 2C and C₂ = 3C are connected in parallel across a cell with emf…

A: Given Data: C1 = 2C C2 = 3C

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A: The expression for the moving charge by 50 g of glass, q1=m1c1∆TV   Substitute, q=50 g0.84…

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A: Potential difference is

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Q: Qn 9: In the figure, the battery has potential difference V= 14.0 V, C,= 3.0 uF, C,= 4.0 µF, and all…

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Q: Fill in the table below according to measurements. d(mm) V(V) Q(C) 5 1.23 10 0.77 ? 15 0.6 ? 20 0.5…

A: The different parts of the problem is solved in the next step by using the formula provided.

Q: length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge…

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Q: A cloud has a potential difference relative to a car of 7.66 x 108 volts. During a lightning storm,…

A: The potential difference between the cloud and the car is 7.66 x 10^8 volts, and a charge of 19.3…

Q: Cylindrical-conductors has inner and outer radii of 2 mm and 50 mm, respectively. If V(p = 2 mm) =…

A: Here,  Inner radius = 2 mm Outer radius = 50mm Conductivity =5×10-4 s/m

Q: The voltage across a membrane forming a cell wall is 84.0 mV and the membrane is 8.40 nm thick. What…

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Q: Two conductor plates A and B have a voltage difference across them of 300 V. Calculate the…

A: Potential difference between two conductor plates = 300 V distance between two plates (d) = 11 mm

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Q: Two capacitors in series, C1= 9.0 uF and C2= 5.0 uF, are connected to a 12.0 V battery. What is the…

A: Given Capacitance of the capacitors are given as C1=9.0 μF=9.0×10-6 F and C2=5.0 μF=5.0×10-6 F…

Q: (a) In electron-volts, how much work does an ideal battery with a 39.0 V emf do on an electron that…

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A: The objective of the question is to find the charge on the conductors of the configuration. The…

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A:

Q: The voltage across a membrane forming a cell wall is 78.7 mV and the membrane is 8.52 nm thick. What…

A: Given data:  Voltage (V) = 78.7 MV = 78.7×10-3 V Thickness (d) = 8.52 nm = 8.52×10-9 m Required: The…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.