A point charge +q is placed at the midpoint of a cube of side l. The electric flux emerging ’ from the cube is-
A. \(\frac { q }{{ ε }^{0}}\)
B. \(\frac {{ 6ql }^{2}}{{ ε }^{0}}\)
C. \(\frac { q }{ { 6l }^{ 2 }{ { ε }^{ 0 } } } \)
D. \(\frac { { C }^{ 2 }{ V }^{ 2 } }{ 2 } \)
Answer:A
A point charge +q is placed at the midpoint of a cube of side l. The electric flux emerging ’ from the cube is-
A. \(\frac { q }{{ ε }^{0}}\) B. \(\frac {{ 6ql }^{2}}{{ ε }^{0}}\) C. \(\frac { q }{ { 6l }^{ 2 }{ { ε }^{ 0 } } } \) D. \(\frac { { C }^{ 2 }{ V }^{ 2 } }{ 2 } \)