Electrostatic Potential and Capacitance - Result Question 1
1. In a certain region of space with volume 0.2 $m^{3}$, the electric potential is found to be $5 V$ throughout. The magnitude of electric field in this region is :
[2020]
(a) $0.5 N / C$
(b) $1 N / C$
(c) $5 N / C$
(d) zero
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Solution:
- (d) Since, electric potential is constant throughout the volume, hence electric field,
$E=-\frac{d V}{d r}=0$.
