Figure 22.4 A hollow conducting sphere has radii of 0.80 m and 1.20 m. The spher

Question

Figure 22.4

A hollow conducting sphere has radii of 0.80 m and 1.20 m. The sphere carries a charge of -500 nc. A point charge of +300 nC is present at the center.


In Fig. 22.4, the charge on the outer spherical surface, in nC, is closest to:

Figure 22.4

A hollow conducting sphere has radii of 0.80 m and 1.20 m. The sphere carries a charge of -500 nc. A point charge of +300 nC is present at the center.


In Fig. 22.4, the charge on the outer spherical surface, in nC, is closest to:

Explanation / Answer

so qenc = 0, for inside the conducting sphere

qinner + 300 = 0

qinner = -300

qinner + qouter = - 500

qouter = -500 -(-300) = -200

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