A Na+ ion moves from inside a cell, where the electric potential is -70 mV, to outside the cell, where the potential is 0 V. What is the change in the ion’s electric potential energy as it moves from inside to outside the cell? Does its energy increase or decrease?

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

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Q: In the figure below, the charge at A is +200 pC, while the charge at B is -100 pC. (a) Find the…

A: Charge at A (q) = 200 pC Charge at B (Q) = -100 pC Distance of point D from A = 20 cm = 0.2 m…

Q: You cause a particle to move from point A, where the electric potential is 13.3 V, to point B, where…

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

A: The charge on the alpha particle is Q=3.20×10-19 C. The electric potential at point A is VA=2.80×103…

Q: An electron moves from point A (which is at a potential of +50V) to point B (which is at a potential…

A: Here the electron moves from point A, which have the potential 50V to -50 V potential point B.

Q: The speed of an electron moving along the y axis increases from 4.45 -10 m/s at y = 10.0 cm to 7.75…

A: a) As per the conservation law of energy, Here, E, K, U, m, v, q, and V represent the electron’s…

Q: In the figure shown, which of the following gives the correct order of the electric potential, from…

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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: In the figure shown, which of the following gives the correct order of the electric potential, from…

A: In this question we have to find the correct order of potential and potential is a scalar quantity.…

Q: The two charges in the figure below are separated by d= 3.50 cm. (Let q, -20.0 nC and q2 - 29.0 nC.)…

A: electric potential at any point in an electric field is the minimum work done to bring a unit…

Q: Consider the following figure. (Assume R1 = 3.60 N, R2 = 6.50 N, and E = 22.0 V.) 4.00 V R1 + R2…

A: Using KCL and KVL we have. Applying KVL in loop.

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: An electron (mass 9.11x10^-31 kg, charge -1.602x10^-19 C) is placed in a uniform electric field,…

A: mass of electron= 9.11*10-31 kg charge = -1.602*10-19 c E=5000N/C

Q: The two charges in the figure below are separated by a distance d= 6.00 cm, and Q = +5.30 nC. (a)…

A: The relation between electrical potential and charge can be given by, V=kQr Where, V = electrical…

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: 5-cm radius conducting sphere has a surface charge density of 2 ×10-6 C/m2 on its surface. What is…

A: Given: The radius of the sphere is 5 cm = 0.05 m. The surface charge density is 2x10-6 C/m2.

Q: An electron is moving in a region of vacuum, in which electric fields are present. Its speed at…

A: initial speed of electron = 4 * 106 m/spotential at point A = - 30 V potential at point B = 40 V…

Q: A8-cm long wire carrying a uniformly distributed 12-uC charge is bent into a semicirdle. What is the…

A: Electric potential is the work done in moving a unit positive charge from infinity to the present…

Q: What is the net electric potential at point P? q1=12uC 6b. What is the net electric potential at…

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Q: A moving particle encounters an external electric field that decreases its kinetic energy from 9280…

A: This problem can be solved by using principle of conservation of energy according to which, the…

Q: In nuclear fission, a nucleus splits roughly in half. (a) What is the potential (in V) 3.50 ✕ 10−14…

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Q: An electric potential is given by V=4x2 + 2y2 + x + z + 2 volts. What is the electric field at the…

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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: charge on alpha particle = 3.20×10-19 C Potential at A = 3000 N/C Potential at B = 4900 N/C

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: A proton with speed of 2.0 m/s is at the point that has potential difference of 500 V entering a…

A: Given- Speed of proton (v) = 2 x 105 m/s Potential difference (V) = 500 V Mass of proton (m) = 1.6 x…

Q: The two charges in the figure below are separated by d = 2.50 cm. (Let q = -17.5 nC and q2 = 28.0…

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Q: A 50 μC charge is at (0, 2 m) and a -90 μC charge is at (3 m, 0). What is the electric potential at…

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Q: Find the electrical potential at point P. 2R R. 3R- The electric potential for a ring of radius a at…

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Q: What is the electric potential at point A? 10 nC 40 cm i 2.0 cm -5.0 nC 1 1 1 A

A: The solution for this question has been solved below...

Q: The electric potential at a distance of 4 m from a certain point charge is 200 V relative to…

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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 two charges in the figure below are separated by d = 4.00 cm. Let q, = -15.5 nC and q2 = 25.0…

A: Electric potential is a scalar quantity. Potential for each charges at point A are, For the charge…

Q: A +0.2 µ Ccharge is in an electric field. What happens ifthat charge is replaced by a +0.4 µC…

A: Given: The first charge is 0.2 μC. The second charge is 0.4 μC.

Q: A total electric charge of 3.5nC is distributed uniformly over the surface of a metal sphere with a…

A: q = 3.5 nC = 3.5 × 10-9 C R = 16 cm 1) r = 10.0cm 2) r = 24.0cm

Q: The electric potential at a certain point is given by V = -5.0z² + 2.0zy +7.0z, where V is in volts…

A: In this problem expression of electric potential is given as : V = -5x² + 2xy + 7z  We know,  E = -…

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: 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: In the figure shown, which of the following gives the correct order of the electric potential, from…

A:

Q: A test charge moves from a point 0.5 meters away from a source charge of 7.5 x 10^-2 C to a point…

A: Given: r1 = 0.5 m r2 = 0.2 m Q=7.5*10-2 C

Q: In Figure 3, a thin plastic rod of length L = 0.12 m is located along the x-axis and charged…

A: a thin plastic rod of length L = 0.12 m is located along the x-axis and charged uniformly with a…

Q: Q. Which of the following statement given is not correct? A) For charge q > 0, if it moves along the…

A: The mathematical representation of the electrical potential energy is : WD=F.dF=qEWD=qEdPE=qEd Here,…

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: Consider two points in an electric field. The potential at point 1, V1, is 21 V. The potential at…

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Q: In the figure below given that Q =42 nC, find the electric potential in units of V at the point p.…

A: Recall V=Kq/r So calculating potential due to each charge and adding them we have.

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 moving particle encounters an external electric field that decreases its kinetic energy from 9930…

A: Initially Kinetic energy of particle=9930eV Final kinetic energy of particle=8130eV Potential at…

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.