Quiz_1c - >0 < For each diametrically...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Physics 241 –Quiz 1c – Jan. 15, 2008 The upper half of a ring 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 axis and to the left of the ring as shown? a) to the right b) to the left c) up d) down e) E is zeo.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: >0 < For each diametrically opposite pair of infinitesimal charges on the ring, the component of E that is parallel to the ring axis cancel out, leaving only the perpendicular components. Among this remainder, the component perpendicular to this sheet also cancel out by symmetry. This leaves only the net downward component....
View Full Document

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.

Ask a homework question - tutors are online