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Q.
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:
NEETNEET 2020Electrostatic Potential and Capacitance
Solution:
Since electric potential is found throughout constant, hence electric field,
$E=-\frac{dV}{dt}=0$