Physics · Electromagnetism
मान लीजिए कि z = 0 समतल दो रेखीय और सजातीय परावैद्युतों के बीच का अंतरापृष्ठ (interface) है। सापेक्ष परावैद्युतांक z > 0 के लिए εr = 5 और z 0 में विद्युत क्षेत्र E1 = (3î - 5ĵ + 4k̂) kV/m है। यदि अंतरापृष्ठ पर कोई मुक्त आवेश नहीं है, तो क्षेत्र z < 0 में विद्युत क्षेत्र होगा:
- 1E2 = (3î - 5ĵ + 5k̂) kV/m✓
- 2E2 = (3î - 5ĵ - 5k̂) kV/m
- 3E2 = (3î - 5ĵ + k̂) kV/m
- 4E2 = (34î - 54ĵ + k̂) kV/m
सही उत्तर देखें
E2 = (3î - 5ĵ + 5k̂) kV/m
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