Answer:
it's C (this is not a guess)
Answer:
The answer is "Choice C ".
Explanation:
The relationship between the E and V can be defined as follows:

Let,

When E=0

v is a constant value
Therefore, In the electric potential in a region is a constant value then the electric-field must be into zero that is everywhere in the given region, that's why in this question the "choice c" is correct.
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It is a nationwide network of bullet trains. They
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<span>I hope I was able to answer your question. Have a
good day.</span>