Question
The figure shows electric potential V as a function of 
. Rank the four regions according to the magnitude of -component of the electric field E within them, greatest first
The correct answer is:
Electric field
For I region, 
=constant
For II region,
For III region.
=constant
For IV region, 
From these values, we have
Related Questions to study
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is
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is given by
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is
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(x being the distance described). The time taken by the particle to describe 99 meters is:
has the slope at the point (1, 0) of the curve, equal to :
is 
then P is
