A small conducting spherical shell with inner radius a and outer radius b is con

Question

A small conducting spherical shell with inner radius a and outer radius b is concentric with a Targer conducting spherical shell with inner radius c and outer radius d. The inner shell has a total charge of -1q and the outer shell has a total charge of +4q Select True or False for the following statements. The total charge on the inner surface of the large shell is zero. The total charge on the outer surface of the small shell is -1q The total charge on the outer surface of the large shell is +3q The radial component of the electric field in the region r > d is given +4q/(40ral charge onntof the ele The total charge on the inner surface of the small shell is -1q. The radial component of the electric field in the region r

Explanation / Answer

1) False. It is not zero. The charge on inner surface of larger shell will be +1q

2) True. The total charge for smaller sphere on its outer surface is -1q

3) True. The total charge on outer shell is +4q. Therefore,

+ 4q = +1q + Qouter

Qouter = 3q

4) False - Not sure sbout this one. but as charge on outer surface was +3q

5) False. It is zero as charge enclosed is zero

6) False. E = 0 as enclosed charge is zero for r < a

7) False. E = 0 as point lies inside the conductor.

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