Classwork What is the potential energy of an electron and a proton in a hydrogen atom if the distance between them is 5.3 x 10-11 m? What is the potential energy of two charges of +4.2 and +6.1 which are separated by a μC μC distance of 50.0 cm? What is the potential energy of two charges of -3.6 and +5.2 which are separated by a μC μC distance of 75.0 cm? There are three charges, 4.0 µC, 3.5 µC and -6.4 µC, each at the vertex of an equilateral triangle of side length 0.020m. What is the potential energy of the system? Homework What is the potential energy of two charges of -5.2 and -8.2 are separated by a distance μC μC of 50 cm? What is the potential energy of two charges of 4.2 and -6.1 which are separated by a μC μC distance of 75.0 cm? What is the potential energy of two electrons that are separated by a distance of 3.5 x 10-11 m? What is the potential energy of three charges of 2.0 µC, -4.5 µC and -3.4 µC that are in a straight line, with the -4.5 µC charge in the middle, and each charge is 5.0 cm away from its adjacent charge? Electric Potential (Voltage) Classwork Draw Equipotential lines due to a positive point charge. What is the electric potential 50.0 cm from a point charge? –7.4 μC What is the electric potential 25 cm from a +5.0 point charge? μC
Classwork What is the potential energy of an electron and a proton in a hydrogen atom if the distance between them is 5.3 x 10-11 m? What is the potential energy of two charges of +4.2 μC and +6.1 μC which are separated by a distance of 50.0 cm? What is the potential energy of two charges of -3.6 μC and +5.2 μC which are separated by a distance of 75.0 cm? There are three charges, 4.0 µC, 3.5 µC and -6.4 µC, each at the vertex of an equilateral triangle of side length 0.020m. What is the potential energy of the system? Homework What is the potential energy of two charges of -5.2 μC and -8.2 μC are separated by a distance of 50 cm? What is the potential energy of two charges of 4.2 μC and -6.1 μC which are separated by a distance of 75.0 cm? What is the potential energy of two electrons that are separated by a distance of 3.5 x 10-11 m? What is the potential energy of three charges of 2.0 µC, -4.5 µC and -3.4 µC that are in a straight line, with the -4.5 µC charge in the middle, and each charge is 5.0 cm away from its adjacent charge? Electric Potential (Voltage) Classwork Draw Equipotential lines due to a positive point charge. What is the electric potential 50.0 cm from a –7.4 μC point charge? What is the electric potential 25 cm from a +5.0 μC point charge?
electric-potential-practice-problems-2015-02-28.docx