Multiple Choice
Three equal charges of magnitude + 4.00 μC are placed at the corners of an equilateral triangle of side 2.00 cm. What is the electric field potential energy of the system of these charges?
A) 90.0 J
B) 900 mJ
C) 0 J
D) 216 mJ
E) 21.6 J
Correct Answer:

Verified
Correct Answer:
Verified
Q2: FIGURE 20-12 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 20-12
Q3: The direction of an electric field is
Q4: Point charges of + 2.0 μC, +
Q5: A +8.00-μC charge is situated along the
Q6: A 4.0-μC charge is situated at the
Q7: FIGURE 20-11 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 20-11
Q8: FIGURE 20-11 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 20-11
Q9: A 2000 V/m electric field is directed
Q10: The potential difference between the plates of
Q11: FIGURE 20-7 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 20-7