❑ Ch 22 HW due Friday, January 17 @ 23:59
QuickCheck 23.2 What is the direction of the electric field at the dot? E. The field is zero.
QuickCheck 23.2 What is the direction of the electric field at the dot? E. The field is zero.
QuickCheck 23.3 When r >> d , the electric field strength at the dot is A. B. C. D. E.
QuickCheck 23.3 When r >> d , the electric field strength at the dot is A. B. C. Looks like a point charge 4 Q at the origin. D. E.
QuickCheck 23.7 A flat circular ring is made from a very thin sheet of metal. Charge Q is uniformly distributed over the ring. Assuming w << R , the surface charge density η is Q /2 π Rw A. Q /4 π Rw B. Q / π R 2 C. Q /2 π R 2 D. Q / π Rw E.
QuickCheck 23.7 A flat circular ring is made from a very thin sheet of metal. Charge Q is uniformly distributed over the ring. Assuming w << R , the surface charge density η is Q /2 π Rw A. The ring has two Q /4 π Rw sides, each of area B. 2 π Rw. Q / π R 2 C. Q /2 π R 2 D. Q / π Rw E.
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