Physics · Electric Charges and Fields
एक लंबे सिलेंडर का आवेश घनत्व अक्ष से दूरी के समानुपाती होता है: ρ = αr (किसी नियतांक α के लिए)। इस सिलेंडर के अंदर r दूरी पर विद्युत क्षेत्र का व्यंजक है:
- 1E = 32ε0αr r̂
- 2E = 23ε0αr2 r̂
- 3E = 13ε0αr r̂
- 4E = 13ε0αr2 r̂✓
सही उत्तर देखें
E = 13ε0αr2 r̂
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