Q103 / 180 · NEET 2020 (Phase 1) · Physics

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:

A
$0.5 N C^{- 1}$
B
$1 N C^{- 1}$
C
$5 N C^{- 1}$
Correct answer
D
zero

Solution

We know that electric field and potential are related as

$E = - \frac{d V}{d x}$

Potential is constant throughout the volume
$∴$ Electric field is zero.

Hence, the correct answer is option: 'D'.

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