Three positive charges are kept at the vertices of an equilateral triangle. We can make the potential energy of the system zero by adjusting the amount of charges. This statement is ______ a) True b) False
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Three positive charges are kept at the vertices of an equilateral triangle. We can make the potential energy of the system zero by adjusting the amount of charges. This statement is ______
a) True
b) False

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- A 500 pF parallel-plate capacitor has +40 nC charges on its plates. The plates are separated by 0.4 mm. Find: a) the area of each plate; cm? b) the potential difference between the plates; V c) the electric field between the plates; N/CA parallel-plate capacitor consists of two identical, parallel, conducting plates each with an area of 2.00 cm2 and a charge of ± 4.00 nC. What is the potential energy stored in this capacitor if the plate separation is 0.300 mm?The Figure shows cross sections of equipotential surfaces between two charged conductors shown in solid black. Points on the equipotential surfaces near the conductors are labeled A, B, C, D, E, F, G, H, I. What is the magnitude of the electric potential difference between points A and H? How much work is required to move a +6.0 µC point charge from B to A?
- Problem 5 Consider a parallel-plate capacitor with a plate area of A = 8.50 cm². The separation between the plates is d₂ = 3.00 mm (the space between the plates is filled with air). The plates of the capacitor are charged by a 6.00 V battery, i.e., the potential difference between the plates is V₂ = 6.00 V. The plates are then disconnected from the battery and pulled apart (without discharge) to a sepa- ration of df = 8.00 mm. In the following, neglecting any fringing effects. (a) Will the new potential difference between the plates be larger, smaller, or the same compared to the initial potential difference of V₂ = 6.00 V? Explain. (Hint: Note that the charge will not change when the plates are pulled apart. Why is that?) (b) Find the potential difference Vf between the plates after the plates have been pulled to their new, larger separation df. (c) Find the electrostatic energy stored in the capacitor before and after the plates are pulled apart. (d) To separate the plates, you will…UCF PHY2054 Post Lab - Unit 04 Relating Field to Equipotential Lines Consider this field to be an electric field produced by a negatively charged sphere. Recall that an equipotential line consists of points that all have the same potential. So, when a charge moves along an equipotential line, it neither gains nor loses potential energy. Draw the equipotential line through point G, making sure it contains all 1. points on the page that have the same potential as G. Explain your reasoning. Draw the equipotential line through point H. 2. Censide lectric fold INIA PIN VICTORIAS SCapacitance Problem 18: A cylindrical capacitor is made of two concentric conducting cylinders. The inner cylinder has radius R1 = 19 cm and carries a uniform charge per unit length of λ = 30 μC/m. The outer cylinder has radius R2 = 45 cm and carries an equal but opposite charge distribution as the inner cylinder. Part (b) Calculate the electric potential difference between the outside and the inside cylinders in V. Part (c) Calculate the capacitance per unit length of these concentric cylinders in F/m.
- The ammonia molecule NH3 has a permanent electric dipole moment equal to 1.47 D, where 1 D = 1 debye unit = 3.34 x 10-30 C.m. Calculate the electric potential in volts due to an ammonia molecule at a point 56.2 nm away along the axis of the dipole. (Set V = 0 at infinity.) Number i UnitsA cylindrical (7.000x10^0) µF capacitor is connected to a power supply and is charged from zero to a final charge of ±(8.7x10^-5) on its plates. How much work is done to charge the capacitor?A parallel plate capacitor has a capacitance of 0.20 μF. The capacitor is notconnected to a battery or a power supply. There is a charge of 24 μC on thecapacitor. How much work must be done on the capacitor to double the separation between the plates?
- For the following situations, consider moving a positive charge from very far away to the origin along the y-axis. For which situation would you do the most work?Two particles with charges +2e and -5e are initially very far apart (effectively an infinite distance apart). They are then fixed at positions that are 5.51 x 10-10 m apart. What is EPE final - EPE initial, which is the change in the electric potential energy? Number i | UnitsIn the figure, the charge q=3.11×10^−9C. A)Find the electric potential at x=0.650m Express your answer using appropriate units. B) Find the value of x between 0 and 1.00 m where the electric potential is zero. Express your answer using appropriate units.