The power usage of a DC strip heater is to be determined at a 95% confidence level, using a voltmeter and ohmmeter (P =E2/R). Determine the design state uncertainty of power, using a nominal vale of E = 8v and R = 5 ohm. Instrument Error (95%)ResolutionVoltmeter+- 0.5%0.01 [V]Ohmmeter +- 0.3%0.001 [ohm]

The given data's are, The confidence level is 95%, Nominal value of E=8 V, R=5 ohm.…

Answered: The power usage of a DC strip heater is…

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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The power usage of a DC strip heater is to be determined at a 95% confidence level, using a voltmeter and ohmmeter (P =E²/R). Determine the design state uncertainty of power, using a nominal vale of E = 8v and R = 5 ohm.

	Instrument Error (95%)	Resolution
Voltmeter	+- 0.5%	0.01 [V]
Ohmmeter	+- 0.3%	0.001 [ohm]

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