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 =

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

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
ww
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 =

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