Quiz_1b - up d) down e) E is zeo. >0...

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Physics 241 –Quiz 1b – Jan. 15, 2008 The upper half of a rod is uniformly charged with a positive charge density σ , whereas the lower half is uniformly charged with a charge density of −σ . What is the direction of the electric field at a point on the perpendicular bisector and to the right of the rod as shown? a) to the right b) to the left c)
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Unformatted text preview: up d) down e) E is zeo. >0 < For each pair of infinitesimal charges on the rod which are placed symmetrically about the middle of the rod, the component of that is parallel to the perpendicular bisector of the rod cancel out, leaving only the component parallel to the rod. This leaves only the net downward component as shown....
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This note was uploaded on 07/29/2008 for the course PHYS 241 taught by Professor Wei during the Spring '08 term at Purdue University-West Lafayette.

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