Question
A cylindrical capacitor has two co-axial cylindersof length 20 cm and radii 2r and r. Inner cylinderis given a charge 10 uC and outer cylinder acharge of-10 μ C. The potential difference betweenthe two cylinders will beIn 24πε oIn 201th SmV (2)(1) 4πε 0m V0.01 In 210 In 24πε 0m V(3)(4)4πε 0