engineering recuitment GATE EE 2023-24 Test Series Electromagnetic Theory Electrostatics Electrostatic Field
A spherical conductor of radius ‘a’ with charge ‘q” is placed concentrically inside an uncharged and unearthed spherical conducting shell of inner and outer radii r1 and r2 respectively. Taking potential to be zero at infinity. The potential at any point within the shell (r1 < r < r2) will be?
1
\(\dfrac{q}{4\pi \varepsilon_0a}\)
2
\(\dfrac{q}{4\pi \varepsilon_0r_2}\)
3
\(\dfrac{q}{4\pi \varepsilon_0r}\)
4
\(\dfrac{q}{4\pi \varepsilon_0r_1}\)