engineering recuitment GATE IN Test Series 2023-24 Mock Test Electromagnetic Theory Electrostatics Electrostatic Field
A coaxial capacitor of inner radius 1 mm and outer radius 5 mm has a capacitance per unit length of 172 pF/m. If the ratio of outer radius to the inner radius is doubled, the capacitance per unit length (in pF/m) is ________.
Enter numerical value using the virtual keypad. Round off where necessary.