The membrane that surrounds a certain type of living cell has a surface area of 4.90 * 10^-9 m2 and a thickness of 8.00*10^-9 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 4.6. The potential on the outer surface of the membrane is +64.0 mV greater than that on the inside surface. If the charge isdue to positive ions (charge +e), how many such ions are present on the outer surface?

Q: What is the electric potential, in volts, due to the proton on an electron in an orbit with radius…

A:

Q: The electric field along the x-axis is given by È = axî where a = 5 N/m.C. Find the electric…

A: Introduction: The electric potential is defined as the amount of work need to bring a charge inside…

Q: A 5-cm radius conducting sphere has a charge density of 2 x 10 c/m2 on its surface. Its electric…

A: radius of sphere=5cm=0.05m charge density (σ)=2×10-6 C/m2

Q: The membrane that surrounds a certain type of living cell has a surface area of 7.3 x 10-9 m² and a…

A: Given  Area A = 7.3 × 10-9 m2    Thickness d = 1.3 × 10-8 m Dielectric constant k = 5.5 Potential…

Q: A potential difference of 102 mV exists between the inner and outer surfaces of the membrane of a…

A: Given:Potential difference,∆V= 102×10-3 V The charge on the Na+atom  = charge of the electron…

Q: A spherical conductor has a radius of 12 cm and a charge of 6 µC. The electric potential (in kV) at…

A: In this case, the spherical conductor has a charge. As this is charged conductor the electric field…

Q: Figure V (volts) 120 100 80 60 40 20 0 0 0.5 1 1.5 B •C 2 ~ 2 of 2 > 2.5 x (m) The graph in (Figure…

A: We have, E=-dvdx For point B dvdxx=B=0   As curve is parallel to x axis at point B

Q: The membrane that surrounds a certain type of living cell has a surface area of 3.8 x 10-° m² and a…

A: Let the membrane that surrounds a certain type of living cell has a surface area,(A) in metre. So,…

Q: The electric potential in a region along the x-axis varies with x according to V(x)=7 + 40 x-2,…

A: Write the given values of this problem. Vx=7+40X-2

Q: The drawing shows six point charges arranged in a rectangle. The value of q is 1.23 μC, and the…

A: Step 1: ( If you have any questions related to this problem please feel free to ask me).

Q: The membrane that surrounds a certain type of living cell has a surface area of 6.0 x 10 m² and a…

A: The expression to find the capacitance of a parallel plate capacitor is given as.…

Q: What is the potential at point E?   (3625/392) V   (3625/592) V   (3625/292) V   (3625/692) V

A:

Q: In a certain region, the electric potential due to a charge distribution is given by the equation…

A: Given V(x,y) = 2xy-x2-y

Q: A charge Q = 1.83 × 10-8 C is surrounded by an equipotential surface with a surface area of 1.19 m2.…

A: Given: The charge on equipotential surface is Q=1.83×10-8 C. The area of equipotential surface is…

Q: A plastic rod has been bent into a circle of radius R = 6.00 cm. It has a charge Q=+100.0 pC…

A: Let Q1 and Q2 denotes the charge on the plastic, dQ denotes a small charge segment, R denotes the…

Q: A 2.5-cm-diameter non-conducting sphere carries a total charge of 2.5 μC distributed uniformly…

A:

Q: Three concentric conducting spherical shells of radii r, 2r, and 3r are charged with net electric…

A:

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

A:

Q: The electric potential in a region of space is given by the equation v(x, y) = 3 In(x + \x² +y %3D…

A: The electric field is given by Where  and  are unit vectors along + x-axis and + y-axis…

Q: A parallel plate capacitor has a capacitance of 1.20 nF. There is a charge of magnitude 0.800 μ C on…

A:

Q: What is the magnitude of an electric field at the point (3.00 i – 2.00 j + 4.00 k) m, if the…

A:

Q: The variation of the electric potential of the charge distribution in a certain region of space with…

A:

Q: Two conducting concentric spherical shells have radii a = 0.165 m and b = 0.24 m.  Part (a) If the…

A:

Q: hat is the electric potential at a third corner, B, of the square (where there is no charge)? pm B

A: Chaeges  qA = 2.6 n C qC = - 1 n C

Q: The electric potential difference AV, also called voltage, is expressed in terms of the electric…

A:

Q: Animal cells have a membrane that separates the interior of the cell from the outside environment.…

A: Given Information:- Potential difference between interior and exterior of the cell is  ∆V=50 mV =50…

Q: A spherical conductor with a 0.353 m radius is initially uncharged. How many electrons should be…

A: The given values are, r=0.353 mV=4.30 kV=4.30×103 V

Q: A rod of length L is lying on x-axis with left end at the origin and has a non-uniformly linear…

A:

Q: Animal cells have a membrane that separates the interior of the cell from the outside environment.…

A:

Q: In a certain region an electric potential V is present. An unknown charge Q is moved around this…

A: Given, S. No ∆U (kJ) ∆V (MV) 1. 362.8 57.1 2. 157.6 29.9 3. 124.3 16.7 4. 55.3 9.97 5.…

Q: uring a particular thunderstorm, the electric potential between a cloud and the ground Vcloud -…

A: Given  Potential difference  Vcloud  - V ground       = 2.7 × 108 V

Q: The membrane that surrounds a certain type of living cell has a surface area of 5.3 x 109 m² and a…

A: Given data: Surface area, A=5.3×10-9 m2 The thickness of the membrane can be considered as the…

Q: What is V₁, the electric potential at point B, located at distance d from one end of the rod (on the…

A:

Q: An air filled capacitor of Co- 2.01 then disconnected from the batten find K.

A: Given, C0=2.0 μFQ0=11.0 μCV1=1.9 V We know that,2.895 C0=Q0V=ε0Ad=2.0 μFC1=Q0V1=ε0KAd…

Q: Problem 18:   The electric potential in a certain region is given by the equation V(x,y,z) = 3αx2y3…

A: To calculate the electric field from a given potential ( V ), we use the negative gradient of the…

Q: Consider two separate systems with four charges of the same magnitude q = 16 µC arranged in the…

A: Expression of potential at point A. VA=q4πε0h2+q4πε0h2+q4πε0h2+q4πε0h2=4q4πε0h2 Substitute the…

Q: A plastic rod has been bent into a circle of radius R= 6.00 cm. It has a charge Q=+100.0 pC…

A:

Q: The membrane that surrounds a certain type of living cell has a surface area of 4.5 x 10 m² that the…

A:

Q: Problem 16: Consider two points in an electric field. The potential at point 1, V1, is 37 V. The…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

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: A hollow metal sphere has a potential of +380 V with respect to ground (defined to be at V = 0) and…

A: Given value--- potential = +380 V. charge = 4.40 × 10-9 C. We have to find---  Find the electric…

Q: A charge Q = 2.00 10-8 C is surrounded by an equipotential surface with a surface area of 1.23 m2.…

A: The magnitude of the charge (q) = 2.00 ×10-8 CThe surface area of the equipotential surface (A) =…

Q: A conducting sphere of radius 5.0 cm is given a net amount of charge of 3.0 x10-9 C. Note: 109 C = 1…

A:

Q: What is the magnitude of the electric field at the point (4.00 î - 9.00 ĵ + 3.90 k̂) m if the…

A: Electric field is the negative gradient of potential

Q: A 7.44 µF isolated capacitor is constructed with Teflon, having a dielectric constant of 2.10,…

A: It is given that, initially the capacitor has a capacitance of C=7.44 μF, the capacitor having a…

Q: If the potential in a certain region is given by V =x y2 + x?y. The magnitude of the electric field…

A:

Q: Two charged particles are fixed to an x axis, qı = 8 µC at x1 = -5 cm and q2 = -7 µC o cm. Find the…

A: The distance from charge at -5 cm to 3 cm along y axis, this distance is calculated using 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.