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A battery with EMF 90.0 Volt has internal resistance Rb = 9.50 ohm.
a) Determine what is the reading Vv of a voltmeter having total resistance Rv = 430 ohm when it is located across the terminals of the battery?
b) Find what is the maximum value that the ratio Rb/Rv may have if the percent error in the reading of the EMF of a battery is not to exceed 3.50 percent?
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