Physics · Underground Cables
एक भूमिगत केबल का इंसुलेशन सापेक्ष पारगम्यता (relative permittivity) 2 का है। यदि इंसुलेटिंग सामग्री को 4 की सापेक्ष पारगम्यता वाली अन्य सामग्री से बदल दिया जाता है, तो केबल की धारिता (capacitance) पर क्या प्रभाव पड़ेगा?
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