3. Young, Hugh D., Statistical Treatment of Experimental Data. New York. McGr1. Bartholomew, Davis, Electrical Measurements and Instrumentation, chaps. 1,22. Maloney, Timothy J., Electric Circuits: Principles and Applications, chap. I. EnglevA. Calculate the power dissipation of the resistor. Give only significant figures in6, What voltage would a 20,000-1/V meter on a 0-1-V scale show in the circuit of34.002 µF, and 850 nF, with an uncertainty of one digit in the last place. What is5. A voltage drop of 112.5 V is measured across a resistor passing a current of 1624. Four capacitors are placed in parallel. The capacitor values are 36.3 uF. 3.85 pF.Measurement and Error18umREFERENCESton: Allyn and Bacon, Inc., 1963.Chff, NJ: Prentice-Hall, Inc., 1984.merHill Book Company, Inc., 1962.EreaQUESTIONSolt1. What is the difference between accuracy and precision?2. List four sources of possible errors in instruments.3. What are the three general classes of errors?4. Define(a) instrumental error,(c) calibration error,(e) random error,a cwl-(b) limiting error,(d) environmental error,Type ofneerror( probable error.PROBLEMS1. A 0-1-mA milliammeter has 100 divisions which can casily be read to the nearetdivision. What is the resolution of the meter?2. A digital voltmeter has a rcad-out range from 0 to 9.999 counts. Determine teresolution of the instrument in volts when the full-scale reading is 9.999 V.3, State the number of significant figures in each of the following:(a) 542,(e) 27.25,(e) 40 x 10,(b) 0.65,(d) 0.00005,(5 20,000.the total capacitance? Give only the significant figures in the answer.the answer.Fig. Pl-6?1 MAMeter5 v.100 k2Figure P 1-6

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II. State whether each of the following measurements are reported correctly or incorrectly. 5) 75.5 + 0.6 6) 10.12 + 3.35 7) 9+1 8) 273 + 0.7 9) 273 + 0.75 10) 273.01 ± 1
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1. The floor of a rectangular building has an area of 120 square meter. The length of the floor / is 4m bigger than its width, w. Solve for I. Hint: Start with the equation of the area in terms of I. What kind of equation do you get? /= 48.11 X feet ! No, that's not the correct answer.
What is the difference between accuracy and precision? Explain 2. Calculate the volume and percent error/uncertainty in the volume of a rectangular sample block of length 13.51 ±0.05 cm, width 6.23 ±0.02 cm, and thickness of 1.76±0.02 cm. 3. Calculate the mass density and uncertainty in the mass density of the sample block. Mass of the block is 289± 1gr. 1.
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