ch28 - Some Review due to Quiz3 results A few questions...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Some Review due to Quiz3 results A few questions were done VERY poorly
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 16% of 108 students • Four charges of 6 μ C are at the corners of a square, which has sides of length 10 cm. What is the magnitude of the net force on the NE charge? • Please Answer to one decimal.
Background image of page 2
3 11% of 120 students • A -2 μ C charge is placed at the origin and a +8 μ C charge is placed at x = 10 cm. At what position should a charge be placed so that the force on it is zero? • Please answer in centimeters.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 18.5% of 135 • In which of the following figures would an electron placed on the dot feel zero net force?
Background image of page 4
5 27.5% of 204 • A 10 cm long thin glass rod uniformly charged to +10 nC and a 10 cm long thin plastic rod uniformly charged to -10 nC are placed side by side, 4.0 cm apart. What is the electric field strength at a distance of 2.0 cm from the glass rod along the line connecting the mid-points of the two rods?
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6 25.5% of 180 • A small segment of wire shown in the figure below contains 10 nC of charge. The segment is shrunk to one-third of its original length. A proton is very far from the wire. What is the ratio F f /F i of the electric force on the proton after the segment is shrunk to the force before the segment is shrunk? • Express your answer to one significant figure .
Background image of page 6
7 Chapter 28. Gauss’s Law The nearly spherical shape of the girl’s head determines the electric field that causes her hair to stream outward. Using Guass’s law, we can
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 35

ch28 - Some Review due to Quiz3 results A few questions...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online