{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

physics 202 test 1 and 2 - Physics 202 Exam I February 5...

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

View Full Document Right Arrow Icon
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Physics 202-] Exam I February 5, 2009 I. For multiple choice questions, circle the letter in bout of the on correct respo se to the question. 5 points each. Three point charges are located on the x- -axis. The first charge, q1— = 10 [AC 15 at x— — 1. 00 m, the second, qz— — 20 ac at the origin, and a third, q3 _ -30 C at x= +2. 00 111. Which charge 15 a d on by the force of greatest magnitude? {-2 3L 1.} 65M $46 23530“ q: r 9 (647613 if” C ,Q,¢?%e g equal on q and q; : -... ",1; ' ' I equal on q; and q; £11675 0‘3: .: ; 3’“: M : (trim FM! % t~3 2. When the perpendicular distance fi‘om a linear charge distribution 18 tripled, what happens to the magnitude of the electric field? —=> It decreases by a factor of 9 i in a. It remains the same. P . E , 7 ,r $ It decreases by a factor of 3 {1 5;}?1” 91f éor 3:10 V: g It decreases by a factor of (3) c. It increases by a factor of (3)“2 3. An electron is moving in an electric field. The direction of the acceleratigpaof the electron is a. 1n the direction the electron is moving. ‘ b. Opposite the direction the electron is moving. w c. Perpendicular to the direction the electron is moving. 69 d. In the direction of the electric field a eOpposite the direction of the electric field. 4. The equipotential surfaces associated with an isolated point charge are a. radially outward from the charge ~ » b. vertical planes ( * ' c. horizontal planes 1 ‘ . , i- a concentric spheres centered at the charge \ 7 ‘ r ' e. concentric cylinders with the charge on the axis 5. In a certain region of space the electric potential increases uniformly from east to west and does not vary in any other direction, The electric field points north and does not vary with position. ’ M“ M “§ 61> p0ints east and does not vary with position. ’i f K " "L 6. points west and does not vary with position. “" d. points east and varies with position. e. points west and varies with position. 1 Definitions and laws. Make your answers brief, but complete, and to the point. If you use an equation in an answer, you must define all terms. 10 points each. Formally, with proper mathematical and vector notation, state Gauss’ Law Define terms. it; E‘éc“? “C en”: 41 {{(Jr: § Ed?- game” Clxc rote fitciaste’d 6W, f‘fh‘ “#1. 1;;7 <1: pyfswbamhe Are: 7? 565”" 9’11)“: ifi H115 ‘ g «tiff'ginst l/‘c/ 4/10 new? Wonder Tera: 1 ...
View Full Document

{[ snackBarMessage ]}