The electrostatic potential difference between points A and B which are at a distance r A is equal to 2m and rb is equal to 1m from an infinitely long wire having lambda is equal to 1.0 micro coulomb/m
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-12.47 * 10^3 V
Explanation:
Given that,
rA = 2m
rB = 1m
In = 1.0 micro coulomb/m
As we know,
The Potential difference between two points A and B due to infinity long wire is denoted by V
V = 2k\lambdaln(rA/rB)
= {(-1 * 10^-6)/2(λςσ)}In2
= {(-10^-6 * In 2)/4(λςσ)}*2
= -10^-6 * 9 * 10^9 * In2 * 2
= -12.47 * 10^3 V
Thus, option B is the correct answer.
Learn more: Potential difference
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