electrostatic potential in Volts on the surface of the sphere?
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A: The electric potential versus distance graph is shown below.
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Q: The same voltage is applied between the plates of two different capacitors. When used with capacitor…
A: Let the applied voltage = V For capacitor A : charge stored (Q) = 15 μC Energy stored (E) = 5.3×10-5…


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- On a dry winter day, you scuff your leather-soled shoes across a carpet and get a shock when you extend the tip of one finger toward a metal doorknob. In a dark room, you see a spark perhaps 5 mm long. Make order-of-magnitude estimates of (a) your electric potential and (b) the charge on your body before you touch the doorknob. Explain your reasoning.A parallel plate capacitor has metal plates, each with an area of 1.5m^2, separated by 1.60mm. What charge is stored in this capacitor if a voltage of 3.2x10^3 V is applied to it?A E The potential is highest at point E. What direction does the electric field at C point? O East North O South OWest E
- A spherical conductor with a 0.353 m radius is initially uncharged. How many electrons should be removed from the sphere in order for it to have an electrical potential of 4.30 kV at the surface?A parallel-plate capacitor, with vacuum in the middle, has a capacitance of 1.2 microFarad. The capacitor is charged by a 12-V battery. While the capacitor is connected to the battery, a dielectric material is inserted between the plates. This results to an additional charge of 2.6×10^-5 C that flows from one plate to the other plate. Determine the dielectric constant of the material.Does the capacitance C of a capacitor increase, decrease, or remain the same when the charge Q on it is doubled?
- A parallel-plate capacitor initially has Quartz between its plates and carries charge ±Q. A different dielectric is then inserted between the plates without changing the charge. If the energy stored in the capacitor decreases to 72% of its initial value, what is the value of x for the new dielectric? K =A parallel-plate capacitor has plates separated by 0.73 mm If the electric field between the plates has a magnitude of 2.2×105 V/m , what is the potential difference between the plates?The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. Because of these charges, a potential difference of about 0.068 V exists across the membrane. The thickness of the membrane is 8.1 x 10-9 m. What is the magnitude of the electric field in the membrane?
- What is the capacitance of a capacitor that stores 1.3 μC of charge on its plates when a voltage of 3.3 V is applied between them?In the figure the battery has a potential difference of V = 10.0 V and the five capacitors each have a capacitance of 14.0 µF. What is the charge on (a) capacitor 1 and (b) capacitor 2?The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. Because of these charges, a potential difference of about 0.095 V exists across the membrane. The thickness of the membrane is 7.5 x 10-9 m. What is the magnitude of the electric field in the membrane? Cell membrane Protein CI CI Protein CI EB Extracellular Cytoplasm