If this capacitor is charged using a 6.00 V battery, what electric field will be measured at the midpoint between the two plates? Πνα ΑΣφ ? х.10п E = N/C
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- Find the x and y components of the electric field produced by q1 and q2 in the figure shown below at point A and point B. (Take q1 = 1.99 µC and q2 = −1.01 µC.) Point A- Ex and Ey Point B- Ex and EyThe membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. Assumne that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.1x 10-6 C/m2.(a) What is the magnitude of the electric field within the cell membrane? (b) Find the magnitude of the electric force that would be exerted on a potassium ion (K*; charge = +e) placed inside the membrane. (a) Number Units (b) Number UnitsA uniform electric field 3.41E3 N/C is applied in a cubic box with each side being 2.23 m long. What is the energy stored by the electric field in the box (in J)?
- Liquid water has a large dielectric constant of ɛ, = 80. Suppose that a single sodium ion (Na+, carrying a positive charge of +1e) is held in the middle of a beaker of pure water. Compared to the volume of the sodium ion, the volume of the water can be effectively treated as infinite. a) Write down the electric displacement at r distance away from the sodium ion. b) Write down the electric field at r distance away from the sodium ion. c) Write down the electrostatic force that the sodium ion acts on a water molecule that is 2nm away from the ion and oriented with its dipole moment radially away from the ion. d) Calculate the polarization at a distance r = 2nm away from the sodium ion. e) The dipole moment of a water molecule is 6.17 x 10-30C · m. Estimate how much fraction of the water molecules that are at 2nm away from the sodium ion are reoriented by the sodium ion. (Assume that there are only two possible states for these water molecules: either randomly oriented and showing zero…The figure shows an electric dipole. What is the magnitude of the dipole's electric field at point P? Assume that q = 9.85 × 10-6 C, d = 8.45 × 10-6 m, and r = 9.73 cm.Ex:Region y 0 is a dielectric medium (€,r1 = 2). If there is a surface charge of p, = 2 n (а) А (3,-2,2) (b) В (-4,1,5) on the conductor, determine E and D at т2
- Two red blood cells each have a mass of 5.05 × 10-¹4 kg and carry a negative charge spread uniformly over their surfaces. The repulsion arising from the excess charge prevents the cells from clumping together. Once cell carries -2.60 pC of charge and the other -2.70 pC, and each cell can be modeled as a sphere 8.20 µm in diameter. What minimum relative speed u would the red blood cells need when very far away from each other to get close enough to just touch? Ignore viscous drag from the surrounding liquid. V = What is the magnitude of the maximum acceleration amax of each cell? Cmax = m/s m/s²I need help for these questions, I am studying for the physics exam and I couldn't solve this questions which are in the study plan of physics-102. Thanks in advance.