PHYS 153Term 2, 2008-09Homework 6BMar. 2 - 6Problem 1A 224 Ω resistor and a 589 Ω resistor are connected in series across a 90.0 V line.(a)Whatis the voltage across each resistor?(b)A voltmeter connected across the 224 Ω resistorreads 23.8 V. Find the voltmeter resistance.(c)Find the reading of the same voltmeterif it is connected across the 589 Ω resistor.(d)The readings on this voltmeter are lowerthan the ”true” voltages (that is , without the voltmeter present). Would it be possible todesign a voltmeter that gave readingshigherthan the ”true” voltages? Explain.Problem 2A resistor withR= 850 Ω is connected to the plates of a charged capacitor with capacitanceC= 4.62μF. Just before the connection is made, the charge on the capacitor is 8.10 mC.(a)What is the energy initially stored in the capacitor?
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