MCQ
विद्युतीय क्षेत्र $\vec{E}$ का ऊर्जा घनत्व है-
- A$\in_0 E^2$
- ✓$\frac{1}{2} \in_0 E^2$
- C$\frac{1}{3} \in_0 E^2$
- D$\frac{1}{4} \in_0 E^2$
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