Potential of Point-Charges: Two +6.0-µC charges are placed at two of the vertices of an equilateral triangle having sides 2.0 m long. What is the electric potential at the third vertex, relative to infinity, due to these charges? (k = 1/4??0 = 9.0 × 109 N ? m2/C2)
A. 54 kV
B. 108 V
C. 0 V
D. 90 kV
E. 27 kV
Answer: A
You might also like to view...
The hydrosphere accounts in large part for the fact that our atmosphere in thinner than Venus' and contains far less carbon dioxide
Indicate whether the statement is true or false
Suppose you wanted to hold up an electron against the force of gravity by the attraction of a fixed proton some distance above it
How far above the electron would the proton have to be? (k = 1/4??0 = 9.0 × 109 N ? m2/C2, e = 1.6 × 10-19 C, mproton = 1.67 × 10-27 kg, melectron = 9.11 × 10-31 kg) A) 4.6 m B) 3.7 m C) 5.1 m D) 2.3 m E) 1.5 m
A proton (+1.6 × 10^-19 C) moves 10 cm on a path in the direction opposite to a uniform electric field of strength 3.0 N/C. How much work is done on the proton by the electrical field?
a. 4.8 × 10^-20 J c. zero b. 1.6 × 10^-20 J d. -4.8 × 10^-20 J
If two heaters are connected in parallel across the 120 volt source, the total power drawn from the source increases to 2400 watts
Indicate whether the statement is true or false