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Q1) Five measurements of the voltage of a resistor gave 50.2V, 50.1V, 50V, 50.2V and 50V. assume that only random errors are present. Calculate: 1. The standard deviation of the reading. 2. Probable error of the reading. 3. Variance of the reading.

Q1) Five measurements of the voltage of a resistor gave 50.2V, 50.1V, 50V, 50.2V and 50V. assume that only random errors are present. Calculate: 1. The standard deviation of the reading. 2. Probable error of the reading. 3. Variance of the reading.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Q1) Five measurements of the voltage of a resistor gave 50.2v, 50.1V, 50V, 50.2V and 50V. assume that only random errors are present. Calculate: 1. The standard deviation of the reading. 2. Probable error of the reading. 3. Variance of the reading. Q2) Design the Series Type Ohmmeter which have the following values : Rm = Ik2, Itsa= 100HA , E = 3V, and R = Ra = 10k2. Q3) Explain briefly with drawing, the Thermocouple Instrument. Q4) Prove with drawing that Single Phase Wattmeter can be used to measure the power dissipated in a Load (RL). Q5) The arms of a four - arm bridge a, b, c and d supplied with sinusoidal voltage have the tonowing values: Arm ab: A resistance of 8000 in parallel with a capacitance of 2uF. Arm be: 4000 resistance. Arm ed: 1KO resistance. Arm da: a resistance R2 in series with 2µF capacitance. The supply is connected across ac and a detector across bd. Determine the value of R2 and frequency at which the bridge will balance.
Transcribed Image Text:Q1) Five measurements of the voltage of a resistor gave 50.2v, 50.1V, 50V, 50.2V and 50V. assume that only random errors are present. Calculate: 1. The standard deviation of the reading. 2. Probable error of the reading. 3. Variance of the reading. Q2) Design the Series Type Ohmmeter which have the following values : Rm = Ik2, Itsa= 100HA , E = 3V, and R = Ra = 10k2. Q3) Explain briefly with drawing, the Thermocouple Instrument. Q4) Prove with drawing that Single Phase Wattmeter can be used to measure the power dissipated in a Load (RL). Q5) The arms of a four - arm bridge a, b, c and d supplied with sinusoidal voltage have the tonowing values: Arm ab: A resistance of 8000 in parallel with a capacitance of 2uF. Arm be: 4000 resistance. Arm ed: 1KO resistance. Arm da: a resistance R2 in series with 2µF capacitance. The supply is connected across ac and a detector across bd. Determine the value of R2 and frequency at which the bridge will balance.
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