Sharanya Asked a Question
March 31, 2021 8:12 ampts 30 pts
30. A co-axial cable of uniform cross section contains an insulating material of dielectric constant 3.5. The radius of the central wire is 0.01m and that of the sheath is 0.02 m. The capacitance per kilometer of a cable is (A) 280.5 nF (B) 28.05 nF (C) 56.10 nF (D) 2.805 nF
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  • Rohit kumar gupta thankyou
    see the attachment
    • cropped5091807888058115320.jpg
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