A point charge -Q and three points A, B and C are shown in Figure 1 below. If V is electric…
A point charge $-Q$ and three points A, B and C are shown in Figure 1 below.
If V is electric potential and E is electric field intensity, we can infer that:
a$E_A > E_B > E_C$
b$E_A < E_B < E_C$
c$V_A < V_C < V_B$
d$V_A > V_C > V_B$
Figure 1
Answer
Answer
Official answer key
Correct option: c
Answer: (c) $V_A < V_C < V_B$
For a negative charge, potential is negative and rises towards zero with distance, so $V_A < V_C < V_B$; the field magnitude falls with distance, so $E_A > E_C > E_B$, which rules out (a) and (b).
