A Point Charge of 6 $\mu$ C/m2
B)(-4 $\mu$ C/m2)
C)(-9 $\mu$ C/m2)
D)+9

Multiple Choice

A point charge of 6.0 nC is placed at the centre of a hollow spherical conductor (inner radius = 1.0 cm, outer radius = 2.0 cm) which has a net charge of -4.0 nC.Determine the resulting charge density on the inner surface of the conducting sphere.

A) +4.8 $\mu$ C/m2
B) (-4.8 $\mu$ C/m2)
C) (-9.5 $\mu$ C/m2)
D) +9.5 $\mu$ C/m2
E) (-8.0 $\mu$ C/m2)