Problem 10: If you try and measure the voltage of a battery with a voltmeter connected in series, you won't get a completely accurate measurement because of the internal resistance of the battery. To see how large this effect is, consider trying to measure the terminal voltage of a 1.585 V alkaline cell having an internal resistance of 52 2 by placing a 0.95 k2 voltmeter across its terminals. Randomized Variables R = 0.95 k2 r = 52 Q r emf Part (a) What current flows in A? Numeric : A numeric value is expected and not an expression. I = Part (b) Find the terminal voltage in V. Numeric : A numeric value is expected and not an expression. V = Part (c) To see how close the measured terminal voltage is to the emf, calculate their ratio. Numeric : A numeric value is expected and not an expression. V/e =

Problem 10: If you try and measure the voltage of a battery with a voltmeter connected in series, you won't get a completely accurate measurement because of the internal resistance of the battery. To see how large this effect is, consider trying to measure the terminal voltage of a 1.585 V alkaline cell having an internal resistance of 52 2 by placing a 0.95 k2 voltmeter across its terminals. Randomized Variables R = 0.95 k2 r = 52 Q r emf Part (a) What current flows in A? Numeric : A numeric value is expected and not an expression. I = Part (b) Find the terminal voltage in V. Numeric : A numeric value is expected and not an expression. V = Part (c) To see how close the measured terminal voltage is to the emf, calculate their ratio. Numeric : A numeric value is expected and not an expression. V/e =

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 46P: An electronic device designed to operate at any temperature in the range from 10.0C to 55.0C...

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