Multiple Choice
The graph in the figure shows the variation of the electric potential V (measured in volts) as a function of the radial direction r (measured in meters) .For which range or value of r is the magnitude of the electric field the largest? 
A) from r = 0 m to r = 3 m
B) from r = 3 m to r = 4 m
C) from r = 4 m to r = 6 m
D) at r = 3 m
E) at r = 4 m
Correct Answer:

Verified
Correct Answer:
Verified
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