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How many significant digits are there in each of the following measurements?
a. 100 m
1
b. 0.0023 m/s
2
c. 100.1 m
4
d. 2.0023
5
Question: Is it probable for the electric field to be zero in a region of space where the electric potential is not zero? Answer: Only if the electric potential has on
(i) Electric field lines come out of positive charge and go into the negative charge. (ii) Tangent to the field line at any point gives the direction of the field at that point.
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