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3.E: Electric Potential (Exercises)
https://phys.libretexts.org/Courses/Muhlenberg_College/Physics_122%3A_General_Physics_II_(Collett)/03%3A_Electric_Potential/3.E%3A_Electric_Potential_(Exercises)
68. (a) What is the electric field 5.00 m from the center of the terminal of a Van de Graaff with a 3.00-mC charge, noting that the field is equivalent to that of a point charge at the center of the t...68. (a) What is the electric field 5.00 m from the center of the terminal of a Van de Graaff with a 3.00-mC charge, noting that the field is equivalent to that of a point charge at the center of the terminal?
3.E: Practice
https://phys.libretexts.org/Courses/Georgia_State_University/GSU-TM-Physics_II_(2212)/03%3A_Electric_Potential_and_Capacitance/3.E%3A_Practice
from the previous chapter, the electric field has magnitude $\displaystyle \frac{σ}{ε_0}$ in the region between the plates and zero outside; defining the negatively charged plate to be at the origin...from the previous chapter, the electric field has magnitude $\displaystyle \frac{σ}{ε_0}$ in the region between the plates and zero outside; defining the negatively charged plate to be at the origin and zero potential, with the positively charged plate located at +5mm in the z-direction, V=1.7×104VV=1.7×104Vso the potential is 0 for $\displaystyle z<0,1.7×10^4V(\frac{z}{5mm})$ for $\displaystyle 0≤z≤5mm,1.7×10^4V$ for $\displaystyle z>5mm;$
3.7: Electric Potential (Exercises)
https://phys.libretexts.org/Courses/Grand_Rapids_Community_College/PH246_Calculus_Physics_II_(2025)/03%3A_Electric_Potential/3.07%3A_Electric_Potential_(Exercises)
68. (a) What is the electric field 5.00 m from the center of the terminal of a Van de Graaff with a 3.00-mC charge, noting that the field is equivalent to that of a point charge at the center of the t...68. (a) What is the electric field 5.00 m from the center of the terminal of a Van de Graaff with a 3.00-mC charge, noting that the field is equivalent to that of a point charge at the center of the terminal?
4.7: Potential and Field Relationships (Exercises)
https://phys.libretexts.org/Courses/Kettering_University/Electricity_and_Magnetism_with_Applications_to_Amateur_Radio_and_Wireless_Technology/04%3A_Potential_and_Field_Relationships/4.07%3A_Potential_and_Field_Relationships_(Exercises)
68. (a) What is the electric field 5.00 m from the center of the terminal of a Van de Graaff with a 3.00-mC charge, noting that the field is equivalent to that of a point charge at the center of the t...68. (a) What is the electric field 5.00 m from the center of the terminal of a Van de Graaff with a 3.00-mC charge, noting that the field is equivalent to that of a point charge at the center of the terminal?
3.9: The Electric Potential (Exercises)
https://phys.libretexts.org/Courses/Kettering_University/Electricity_and_Magnetism_with_Applications_to_Amateur_Radio_and_Wireless_Technology/03%3A_The_Electric_Potential/3.09%3A_The_Electric_Potential_(Exercises)
Consider a charge $\displaystyle Q_1(+5.0μC)$ fixed at a site with another charge $\displaystyle Q_2$ (charge $\displaystyle +3.0μC$ , mass $\displaystyle 6.0μg$ ) moving in the neighboring spac...Consider a charge $\displaystyle Q_1(+5.0μC)$ fixed at a site with another charge $\displaystyle Q_2$ (charge $\displaystyle +3.0μC$ , mass $\displaystyle 6.0μg$ ) moving in the neighboring space. (a) Evaluate the potential energy of $\displaystyle Q_2$ when it is 4.0 cm from $\displaystyle Q_1$ . (b) If $\displaystyle Q_2$ starts from rest from a point 4.0 cm from $\displaystyle Q_1$ , what will be its speed when it is 8.0 cm from $\displaystyle Q_1$ ? (Note: $\displaystyle Q_1$ …

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