Q4: Suppose that the components of the circuit shown in figure below have the following values: R1= 102, R2= 202 , R3=302 , R4=102 , R5= 202 , R6= 152, R7= 1002 The voltage across AB is measured by a voltmeter whose internal resistance is 6002. What is the measurement error caused by the resistance of the measuring instrument? R5 RM R2 200 R4 200 V1 R1 R7: -12V 100 1000 10Ω R3 R6 300 150

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