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Positive Charge Q Is Placed on a Conducting Spherical Shell π\pi

Question 31

Multiple Choice

Positive charge Q is placed on a conducting spherical shell with inner radius R1 and outer radius R2.A particle with charge q is placed at the center of the cavity.The magnitude of the electric field at a point in the cavity, a distance r from the center, is:


A)  Positive charge Q is placed on a conducting spherical shell with inner radius R<sub>1</sub> and outer radius R<sub>2</sub>.A particle with charge q is placed at the center of the cavity.The magnitude of the electric field at a point in the cavity, a distance r from the center, is: A)    B)    C) q/4  \pi\varepsilon <sub>0</sub>r<sup>2</sup> D) (q + Q) /4  \pi\varepsilon <sub>0</sub>r<sup>2</sup> E)
B)  Positive charge Q is placed on a conducting spherical shell with inner radius R<sub>1</sub> and outer radius R<sub>2</sub>.A particle with charge q is placed at the center of the cavity.The magnitude of the electric field at a point in the cavity, a distance r from the center, is: A)    B)    C) q/4  \pi\varepsilon <sub>0</sub>r<sup>2</sup> D) (q + Q) /4  \pi\varepsilon <sub>0</sub>r<sup>2</sup> E)
C) q/4 π\piε\varepsilon 0r2
D) (q + Q) /4 π\piε\varepsilon 0r2
E)  Positive charge Q is placed on a conducting spherical shell with inner radius R<sub>1</sub> and outer radius R<sub>2</sub>.A particle with charge q is placed at the center of the cavity.The magnitude of the electric field at a point in the cavity, a distance r from the center, is: A)    B)    C) q/4  \pi\varepsilon <sub>0</sub>r<sup>2</sup> D) (q + Q) /4  \pi\varepsilon <sub>0</sub>r<sup>2</sup> E)

Correct Answer:

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