MCQ
Variation in electric potential is maximum if one goes
- ✓along the line of force
- Bperpendicular to the line of force
- Cin any direction
- Dno variation in any direction
✓
Answer
Correct option: A.
along the line of force
a
$\Delta \mathrm{V}=-\int \overrightarrow{\mathrm{E}} \cdot \mathrm{d} \overrightarrow{\mathrm{r}} \quad \therefore \Delta \mathrm{V} \propto \cos \theta$
$\Delta \mathrm{V}=-\int \overrightarrow{\mathrm{E}} \cdot \mathrm{d} \overrightarrow{\mathrm{r}} \quad \therefore \Delta \mathrm{V} \propto \cos \theta$
$\Delta \mathrm{V}$ is max. for $\theta=0^{\circ}$ or $\theta=180^{\circ}$
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