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Unformatted text preview: OSERVATIONS AND CALCULATIONS Resistor values R 1 measured 2.15 KΩ By the color cord 2.2 KΩ R 2 measured 1.807 KΩ By the color cord 1.8 KΩ R 3 measured value 3.29 KΩ By the color cord 3.3 KΩ Finding the equivalent value of the above three resistors ¡¢ £ ¤ ¥¦§¨© ª «¦¬ ¥¦§¨© ® «¦¬ £ ¥¦¥¯¯«©§¬¯¬¤° Ω For that calculated value the voltage value of V’ ± ² £ ¥¦¥¯¯«©§¬¯¬ ª ± ³ ¬¦¥´ ® ¥¦¥¯¯«©§¬¯¬ ± ² ¤ £ ¤ ¥¦¥¯¯«©§¬¯¬ ª ¥¨ ¬¦¥´ ® ¥¦¥¯¯«©§¬¯¬ £ «¦´¥©± According to the same above calculation we can calculate and get the values of voltage across the resistor R 3 When the V 1 is 10V the corresponding V 3 value is 3.51702425V When the V 1 is 4.98V the corresponding V 3 value is 1.751478054V When the V 1 is 10V the corresponding V 3 value is 3.51702405V Then we measure the values for V 3 ’ When the is 10V the corresponding V 3 ’ value is 6.04V When the V 1 is 10V the corresponding V 3 ’ value is 3.01V When the V 1 is 10V the corresponding V 3 ’ value is 6.04V R eq = ¡¢£¤¥¡ ¦ ¡¢£§¥¡ ¦ = 1.30027574 kΩ V3’’ = ¢¡¥¨¨ ©£©ª«¤¬ ¢¡¨©§¢¡¥¨¨ ©£©ª« V3’’ = ¢¡¥¨¨ ©£©ª¤«¦¡¦¦ ¢¡¨©§¢¡¥¨¨ ©£©ª«8 6 4 2 0 2 4 6 8 15 10 5 0 5 10 15 V3 V1 measured Linear (calculated) = 4.177096 V According to the same above calculation we can calculate and get the values of voltage across the resistor R 3 When the V 2 is 99.9 V the corresponding V 3 “ value is 4.177096V When the V 2 is 5V the corresponding V 3 “ value is 2.090639V When the V 2 is 4.1729V the corresponding V 3 “ value is 4.1729V “ value is 4....
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 Spring '11
 PERERA

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