The electric potential inside a living cell is lower than the electric potential outside the cell. Suppose the electric PD between the inner and outer cell wall is 0.095 V. To maintain the internal electrical balance, the cell pumps out Na + ions. How much work must be done to remove a single Na + ion?

Q: You cause a particle to move from point A, where the electric potential is 17.7 V, to point B, where…

A: Given : VA = 17.7 V VB = -22.3 V

Q: R 2R 2R A wire having a uniform linear charge density is bent into the shape shown below. Find the…

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Q: In the figure below given that Q =16 nC, find the electric potential in units of V at the point p.…

A: Electric Potential: Electric potential is defined as the amount of work needed to move a unit charge…

Q: The electric potential along the x-axis is V=100e−2xV, where x is in meters. What is Ex at x=1.0m?…

A: Electric field is given by,

Q: What is the energy stored in such a cell membrane if the potential difference across it is 7.05×10−2…

A: Given data: Area of the plates, A=4.75×10-9 m2 Separation between the plates, d=8.9×10-9 m…

Q: A parallel-plate capacitor has square plates of side s = 2.30 cm and plate separation d = 3.00 mm.…

A: a. Write the expression for capacitance of the parallel plate capacitor with dielectric.

Q: The two charges in the figure below are separated by d = 3.50 cm. (Let q = -19.5 nC and q2 = 30.0…

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Q: The electric potential of a charge q +1C at point A is V 10Volt. What does this mean? O a. 10 joules…

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Q: An electron is moved from an initial location where the potential is Vi = 30 V to a final location…

A: Given data The potential at the initial location is given as Vi = 30 V. The potential at the final…

Q: A total load of 3.2x10 ^ -8 C is uniformly distributed in an insulating sphere with a radius of 2.7…

A: Total charge (q) = 3.2×10-8 C Radius (R) = 2.7 cm = 0.027 m

Q: A potential difference of 90.0 mV exists between the inner and outer surfaces of a cell membrane.…

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Q: The electric potential in a region is given by V = 2xy - 3zx + 5y2, with V in volts and the…

A: The electric potential in a region is given by V=2xy-3zx+5y2. The coordinate of the point P is x=1m,…

Q: The two charges in the figure below are separated by d = 3.50 cm. (Let q₁ = -19.0 nC and q2 = 26.5…

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Q: In the figure below given that Q =50 nC, find the electric potential in units of V at the point p.…

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Q: The two charges in the figure below are separated by d 3.50 cm. (Let q114.5 nc and q2 28.5 nC.)…

A: The electric potential due to a point charge at any point is given by,

Q: The electrical potential over a certain region of space is given by V = 2x – 5x²y+ 3yz?. Find…

A: Given: The potential over a certain region is 2x-5x2y+3yz2. The coordinates of the region is (1, 0,…

Q: A proton moves from a location where the electric potential is 25 V to a location where the electric…

A: Given that:- Electric potential at two locations are 25V and 10V

Q: In the figure below given that Q =29 nC, find the electric potential in units of V at the point p.…

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Q: In the figure below given that Q = 15 nC, find the electric potential in units of V at the point p.…

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Q: The two charges in the figure below are separated by d = 2.50 cm.  (Let q1 = −17.5 nC and q2 = 26.0…

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Q: A B d The two charges in a given Figure are separated by a distance d = 7.3 cm, and Q = 6 nC. Find…

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Q: The electric potential inside a living cell is lower than the electric potential outside the cell.…

A: Here the potential difference between outer and inner cell wall is 0.095V.

Q: 2) q Load of +60 uc. If the large electrical potential at a distance of L cm is V volts. How much…

A: charge (q) = 60μC Distance = L cm Potential = V volts

Q: The two charges in the figure below are separated by d = 3.50 cm. (Let q1 = -14.5 nC and q2 = 29.5…

A: Answer is uploaded in step 2

Q: #7 Electric Potential and Conductors Two solid conducting spheres are connected with a long thin…

A: The two given spheres are solid conducting spheres. One sphere has a 10 cm radius while the other…

Q: The electrical potential created by the + 6q and +24 charges in the figure at point K is VK and at…

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Q: At a distance r from a point charge the electric potential is V. If the distance increased to 3r,…

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Q: An alpha particle, which has charge 3.20 ✕ 10−19 C, is moved from point A, where the electric…

A: The potential difference is defined as the amount of work done in bringing a unit charge.  W = q x…

Q: Under certain circumstances, potassium ions (K*) in a cell will move across the cell membrane from…

A: This question can easily be solved by applying the concept of potential and potential energy.

Q: At locations A and B, the electric potential has the values VA = 1.63 V and Vg = 5.31 V,…

A: Given that, Va= 1.63 v Vb= 5.31 v  We know that a positive charge particle always goes from High…

Q: In Figure P21.29, the electric potential at point A is -300 V. What is the potential at point B,…

A: Given,       Electric potential at A = VA = -300 V                                       E = 1200…

Q: A research-level Van de Graaff generator has a 1.95 m diameter metal sphere with a charge of 5.25 mC…

A: The expression for the potential,

Q: The equilibrium constant of a cell with a cell potential of 0 V is a) 0 b) 1 c) 0.5 d) 2

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Q: A uniform electric field with a magnitude of 600 N/C, is directed parallel to the positive x-axis.…

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Q: At locations A and B, the electric potential has the values VA = 1.59 V and VB = 5.87 V,…

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Q: Find the potential at the sodium ion, Nat, which is surrounded by two chloride ions, CI", and a…

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Q: The graph in the figure shows the variation of the electric potential V (meass the largest? O from…

A: We need to tell in which region is the magnitude of electric field the largest.

Q: A Na+ ion moves from inside a cell, where the electric potential is -70 mV, to outside the cell,…

A: Given quantities: Charge on the ion (q) = + e electric potential inside the cell (V1) = - 70 mV = -…

Q: Under certain circumstances, potassium ions (K*) in a cell will move across the cell membrane from…

A: Given: Potential inside the cell = -75.5 mV Potential outside the cell = zero Change in the…

Q: A potential difference exists between the inner and outer surfaces of the membrane of a cell. The…

A: Given,          work done (w) = 1.34*10-20J          Charge on Na+ (q) =1.6*10-19C      We know that…

Q: You cause a particle to move from point A, where the electric potential is 16.5 V, to point B, where…

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Q: A point in space has an electric potential of 150 V and this point is 0.04 meter from an electric…

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Q: A potential difference exists between the inner and outer surfaces of the membrane of a cell. The…

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Q: A potential difference of 90 mV exists between the inner and outer surfaces of a cell membrane. The…

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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.