exam1_2006 - 4 P hysics Exam I March1 ,2006 m Calculators...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Physics 4 March 1,2006 Exam I Calculators may be used, but no books or other written materials. Answer all four questions and show the steps leading to your answers. Credit will be given based on evidence of your understanding of the material. Be sure to express all quantities in proper units. Possibly useful information Flq F. =-- 4ncn 12 Gauss'Law: qE d2-Q,,, leo F=qE r/lq t/ - -- 4nto r surface area of a sphere : 4nrt ; r -ma I I = 9.0x 10n lv .mt I C' 4neo e :I.6 x 1 0-t' C Cuq,pnrnttnt Ct + C' * "' 111 Cuq,r"ri^ Cl C2 Ruq,rrriu, -4 +Rt *"' _-+-+. .. Req,parattet R1 R, V=IR i -ioe-''^c, charging a capacitor Q: CV U:!cv2 2 P=IV b '4 rl I n I vo-vu- JE.dl
Background image of page 1

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

View Full DocumentRight Arrow Icon
1. Five conceptual questions. Answer briefly (a sentence or two!). (2 pts. each) (a) Two alumtnrzed spheres of equal radii hang by insulating threads. Using a glass rod and a piece of silk, how do you insure the two spheres receive exactly the same charge? (b) How does the spacing between equipotential surfaces reflect the strength of the electric field? (c) A charged conducting sphere has an electrical potential energy U. What is the
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/02/2010 for the course PHYS 0030 taught by Professor Cutts during the Spring '07 term at Brown.

Page1 / 3

exam1_2006 - 4 P hysics Exam I March1 ,2006 m Calculators...

This preview shows document pages 1 - 3. Sign up to view the full document.

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