This is a 10-item multiple-choice quiz designed to check your understanding on Electric Potential and Electric Potential Energy. Before taking the quiz, you need to have your calculator, pen and scratch paper with you. Question 10 2 pts Three equal 1.20 ???µC point charges are placed at the corners of an equilateral triangle with sides 0.400 m long. What is the potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.) 1.90 J 12.1 J 0.0971 J 0.874 J
Added by Hana Y.
Close
Step 1
The formula for potential energy (U) between two charges is given by: U = k * q1 * q2 / r where: - k is Coulomb's constant (8.99 * 10^9 N*m^2/C^2) - q1 and q2 are the charges (1.20 * 10^-6 C in this case) - r is the distance between the charges (0.400 m in this Show more…
Show all steps
Your feedback will help us improve your experience
Ankur S and 97 other Physics 102 Electricity and Magnetism educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Three equal $1.20-\mu \mathrm{C}$ point charges are placed at the corners of an equilateral triangle whose sides are 0.500 $\mathrm{m}$ long. What is the potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.)
Three equal 1.20-$\mu$$C$ point charges are placed at the corners of an equilateral triangle with sides 0.400 m long. What is the potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.)
Electric Potential
Electric Potential Energy
Three equal $1.20 \mu \mathrm{C}$ point charges are placed at the corners of an equilateral triangle with sides $0.400 \mathrm{~m}$ long. What is the potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.)
Recommended Textbooks
University Physics with Modern Physics
Physics: Principles with Applications
Fundamentals of Physics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD