Electrostatics 2 Question 12
13. A uniform electric field pointing in positive $x$-direction exists in a region. Let $A$ be the origin, $B$ be the point on the $x$-axis at $x=+1 cm$ and $C$ be the point on the $y$-axis at $y=+1 cm$. Then the potentials at the points $A, B$ and $C$ satisfy
$(2001,1 M)$
(a) $V _A<V _B$
(b) $V _A>V _B$
(c) $V _A<V _C$
(d) $V _A>V _C$
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Answer:
Correct Answer: 13. $(a, b)$
Solution:
- Potential decreases in the direction of electric field. Dotted lines are equipotential lines.
$$ \therefore \quad V _A=V _C \quad \text { and } \quad V _A>V _B $$
