physics labs - fctYP ll'l m+ s I \b' ~d. 'a 1-11-12 :'0...

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fctYP ll'l m+ s \b' ~d. 'a I 1-11-12 ::'0 ·lI_~II+I~-(J)
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40 PH 132 Labs PH 132: Pre-lab 3 2. Fig 3.4B shows an" incomplete" breadboard arrangement of the schematic circuit of Fig 3.4A. Draw lines (representing connecting wires) in Fig 3.4B to complete the circuit. - ., " " + - Fig.3.4A Note: Only one wire can be used in each slot of breadboard + .----(9 Red t Breadboard Fig.3.4B
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PH 132 Labs 43 li,S ) 3. What is the magnitude of the potential difference between points Band E in Figure 3.1? c { } .., ~ ., - ., ....• -' ..•. .•. ., - ., ., - .., - .•. ..• ~ ~ - - .., ..., - .., .- .., </I!\ - 4. Suppose that during procedure s'teps 2 and 3, the resistor R4 (a simple carbon resistor) is being heated by blowing hot air from a hair-drier. How would this affect the measured value of il? Increased, decreased, or, unaffected? Explain. - -- o 'l- fu (/fd[T- To7) , ~;~ @ e Xf i ct; ,?,d~®
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PH 132 Labs 45 / 5,) 6. Error Analysis. Suppose that in an experiment, we determine E by measuring i, RI, iI, and R4 in loop ABeD of circuit I (Fig. 3.1). Here, we utilize Eq. 3.B, that is, d 'Z' ==- i ( c), 0 ~ ) d . " ~ X/01J~L- 1., ~ ~ I =- i, (tJ\ V 2- ) .of< j .:o,1J! /! j to determine the best value of E in terms of the best values of the measured quantities. It is given tha~ ill = 10.0 [2, il4 = 205.6 [2, Z = 53.8 mA, and Zl = 21.1 mA. It is also given that the pe~ce;;-tileu~er~ai~tie;Tn the values of R~ andfiare~h resist~rs, an.d the percentIle uncertamtles m the values of 2 and 21 ar ~~ or bqth currents. USIng thIS information, calculate the percentile uncertainty in the va Uk of E. ~ttach an extra page if you need more space to answer this' question. - -:/£ = :- PI f- it E ----- - ----~" - ef ..... '2-- ( c;) <C 2.- j ~ . I 2.. 0> £ c-'7~ ,6,£ ---IJ C) ~ b{J} -f ~ 6/<;) -f"\ d Z, 6Z/) r- ( cJ- ~~.J ~ [(fu ~i,» (~2>,tc// -tlfltt bi'l-(~,~)j"'-_ ~. J:; 'tlj ., l.-df ~ If! ® 1-- I Z . ~. - ...." -' ~ •••• - - ,...,. ..." - ••
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____________ Section _ - -- - - - - Date: - Name -. Student No. -
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This note was uploaded on 10/26/2009 for the course PH 132 taught by Professor Ramsdell/wick during the Spring '08 term at Clarkson University .

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physics labs - fctYP ll'l m+ s I \b' ~d. 'a 1-11-12 :'0...

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