ires Respondus LockDown BroListenA conducting sphere has a net charge of -6.4 x 10-16 C. What is the approximate number of excess electronson the sphere?a) 5000b) 2000c) 3000d) 4000e) 1000Previous PageNext PageDOLLPage 6 of 18F11F12PrtScrInsertDeleF9F10F8F7F6BaF3F4F5

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Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter23: Electric Forces

Section: Chapter Questions

Problem 15PQ: A charge of 36.3 nC is transferred to a neutral copper ball of radius 4.35 cm. The ball is not...

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Similar questions

A charge of 36.3 nC is transferred to a neutral copper ball of radius 4.35 cm. The ball is not grounded. The excess electrons spread uniformly on the surface of the ball. What is the number density (number of electrons per unit surface area) of excess electrons on the surface of the ball?
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) Imagine adding electrons to the pin until the negative charge has the very large value 1.00 mC. How many electrons are added for every 109 electrons already present?
Two thin conducting plates, each 25.0 cm on a side, are situated parallel to one another and 5.0 mm apart. If electrons are moved from one plate to the other, what is the electric field between the plates?
Charge is distributed along the entire x-axis uniform density . How much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y=a to y=b ?
Suppose a speck of dust in an electrostatic precipitator has l.0000 1012 protons in it and has a net charge of5.00 nC (a very large charge for a small speck). How many electrons does it have?
A water molecule consists of two hydrogen atoms bonded with one oxygen atom. The bond angle between the two hydrogen atoms is 104( (see below). Calculate the net dipole moment of a water molecule that is placed in a uniform, horizontal electric field of magnitude 2.3108N/C . (You are missing some information for solving this problem; you will need to determine what information you need, and look it up.)
A handheld copper rod does not acquire a charge when you rub it with a cloth. Explain why.
Figure 18.44 shows an electric field extending over three regions, labeled I, II, and III. Answer the fallowing questions, (a) Are there any isolated charges? If so, in what region and what are their signs? (b) Where is the field strongest? (c) Where is it weakest? (d) Where is the field the most uniform?
A proton enters the uniform electric field produced by the two charged plates shown below. The magnitude of the electric field is 4.0105 N/C, and the speed of the proton when it enters is 1.5107 m/s. What distance d has the proton been deflected downward when it leaves the plates ?
After an initially neutral glass rod is rubbed with an initially neutral silk scarf, the rod has a charge of 45.7 C. Estimate the fractional increase or decrease in the scarfs mass. Would this change in mass be easily noticed?
Describe one promising explanation for how thunderclouds become electrified, that is, acquire a charge separation that often leads to cloud-to-ground lightning strikes.
A positively charged It'd attracts a small piece of cork. (a) Can we conclude that the cork is negatively charged? (b) The rod repels another small piece of cork. Can we conclude that this piece is positively charged?

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ires Respondus LockDown Bro Listen A conducting sphere has a net charge of -6.4 x 10-16 C. What is the approximate number of excess electrons on the sphere? a) 5000 b) 2000 c) 3000 d) 4000 e) 1000 Previous Page Next Page DOLL Page 6 of 18 F11 F12 PrtScr Insert Dele F9 F10 F8 F7 F6 Ba F3 F4 F5