# Question

(a) The equipotential surfaces in the neighborhood of a positive point charge are spheres. Which sphere is associated with the higher electric potential: (1) the smaller one, (2) the larger one, or (3) they are associated with the same potential?

(b) Calculate the amount of work (in electron-volts) it would take to move an electron from 12.6 m to 14.3 m away from a point charge.

(b) Calculate the amount of work (in electron-volts) it would take to move an electron from 12.6 m to 14.3 m away from a point charge.

## Answer to relevant Questions

The potential difference between the cloud and ground in a typical lightning discharge may be up to 100 MV (million volts). What is the gain in kinetic energy of an electron accelerated through this potential difference? ...Repeat the calculation in Exercise 30 for electrons instead of protons. In repeat Calculate the voltage required to accelerate a beam of protons initially at rest, and calculate their speed if they have a kinetic energy of ...(a) For a parallel plate capacitor with a fixed plate separation distance, a larger plate area results in (1) a larger capacitance value, (2) an unchanged capacitance value, (3) a smaller capacitance value. (b) A 2.50-nF ...The dielectric of a parallel plate capacitor is to be a slab of glass that completely fills the volume between the plates. The area of each plate is 0.50 m2. (a) What thickness should the glass have if the capacitance is to ...(a) If you are given three identical capacitors, you can obtain (1) three, (2) five, (3) seven different capacitance values. (b) If the three capacitors each have a capacitance of 1.0μF, what are the different values of ...Post your question

0