GaussLaw.airplane - Inside cavity is “shielded” from...

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Given a hollow conductor of arbitrary shape. Suppose an excess charge Q is placed on this conductor. Suppose the conductor is placed in an external electric Feld. How does the charge distribute itself on outer and inner surfaces? (a) Inner: Q/2; outer: Q/2 (b) Inner: 0; outer: Q (c) Inner: Q; outer: 0
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Unformatted text preview: Inside cavity is “shielded” from all external electric Felds! “±araday Cage effect” • Choose any arbitrary surface inside the metal • Since E = 0, ²ux = 0 • Hence total charge enclosed = 0 All charge goes on outer surface! Safe in the Plane!?...
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