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## General Physics II

by: Cayla Kilback

16

0

1

# General Physics II PHYS 408

Cayla Kilback
UNH
GPA 3.64

Staff

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COURSE
PROF.
Staff
TYPE
Class Notes
PAGES
1
WORDS
KARMA
25 ?

## Popular in Physics 2

This 1 page Class Notes was uploaded by Cayla Kilback on Thursday October 29, 2015. The Class Notes belongs to PHYS 408 at University of New Hampshire taught by Staff in Fall. Since its upload, it has received 16 views. For similar materials see /class/231704/phys-408-university-of-new-hampshire in Physics 2 at University of New Hampshire.

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Date Created: 10/29/15
A spherical metal ball is charged up with a total charge Q The electric potential inside the shell is A V0 B V C Vk QVk E Don t Know See explanation with Lecture 24 Two large metal plates are separated by a distance d along the xaxis The right hand plate is located at d and charged up to a potential of VdV0 the left hand is located at the origin and the plate is held at V0 What is the correct expression for the potential between the plates A v0 B vv0 C VV9Vd D VV0x2d2 E VV0dx At x0 V0 at Xd VVo in between the potential varies linearly What is the direction of the Electric eld between the plates m B x C 7y D y E Don t know A positive voltage means a positive charge the E eld goes from the positive charge to the negative charge so X What is the correct expression for the magnitude of electric eld between the plates A E0 B EV0 C EVd D EVW E EV0x The EdVdx so differentiate the previous result VVpdd wrt x If d3 m and V0l eV what is the velocity expressed as a fraction of c of an electron mass 05MeVc2 that is released at the left plate A 02 c B 001c C 002 c D 0001 c E 0002 c Use K mv2 U eAV using units of eV so 05gtlt106 eVc2v2 1 eV 2 V76 4x10 6 2 v2x10 3c Two metal spheres Sl whith a radius of 3 cm and S2 with a radius of 9 cm are separated by a large distance They are connected by a thin conducting wire If a charge Q is placed on 81 what is the nal equilibrium charge on each of the spheres A Q1Q2 Q2Q2 B 91324 92394 C Q13Q4 Q2Q4 D Q1Q Q20 E Don t know The electric potential on both spheres must be the same they are connected by a conducting wirel Potential of S1 is V1 k Q1R1 82 V2k Q2R2 so since we have V1 V2 Q1R1Q2R2 We also have conservation of charge so Q1 Q2Q Two equations two unknowns solve for Q1 and Q2

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