A small conducting spherical shell with inner radius a andouter radius b is conc

Question

A small conducting spherical shell with inner radius a andouter radius b is concentric with a larger conductingspherical shell with inner radius c and outer radiusd. The inner shell has a total charge -2q and theouter shell has a total charge +4q.
Which of the following statements are true: (Give ALL correctanswers, i.e., B, AC, BCD...)

A) The total charge on the inner surface of the small shell is-2q.
B) The radial component of the electric field in the region r lessthan a is given by +2q/(4 pi epsilon0r2).
C) The total charge on the outer surface of the small shell iszero.
D) The total charge on the outer surface of the large shell is+2q.
E) The radial component of the electric field in the region c lessthan r less than d is given by -2q/(4 pi epsilon0r2).
F) The radial component of the electric field in the region rgreater than d is given by +2q/(4 pi epsilon0r2).
G) The total charge on the inner surface of the large shell is +4q.

Explanation / Answer

DF

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