Find the voltage across the capacitors plates

Reference no: EM13240248

1) The absolute potential at a distance of 2.0 m from a negative point charge is -100 V. What is the absolute potential 4.0 m away from the same point charge?

2) A parallel-plate capacitor is constructed with plate area of 0.40 m2 and a plate separation of 0.10 mm. How much energy is stored when it is charged to a potential difference of 12 V?

3) The absolute potential at the exact center of a square is 3.0 V when a charge of +Q is located at one of the square's corners. What is the absolute potential at the square's center when each of the other corners is also filled with a charge of +Q?

4) A 15-microF capacitor is connected to a 50-V battery and becomes fully charged. The battery is removed and a slab of dielectric that completely fills the space between the plates is inserted. If the dielectric has a dielectric constant of 5.0, what is the voltage across the capacitor's plates after the slab is inserted?

Reference no: EM13240248

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