Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 25, Problem 24P
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A resistor with R = 850 Ωis connected to the plates of a charged capacitor with capacitanceC = 4.62 mF. Just before the connection is made, the charge on the capacitoris 6.90 mC. (a) What is the energy initially stored in the capacitor?(b) What is the electrical power dissipated in the resistor just afterthe connection is made? (c) What is the electrical power dissipated inthe resistor at the instant when the energystored in the capacitor hasdecreased to half the value calculated in part (a)?
In an RC circuit, current flows from the battery until thecapacitor is completely charged. Is the total energy supplied by the battery equal to the total energy stored by the capacitor? If not, where does the extra energy go?
A car battery does 360 J of work on the chargepassing through it as it starts an engine. (a) If the emf of the battery is 12 V, how much charge passes through the battery duringthe start? (b) If the emf is doubled to 24 V while the work remainsthe same, does the amount of charge passing through the batteryincrease or decrease? By what factor?
Chapter 25 Solutions
Physics for Scientists and Engineers
Ch. 25 - Prob. 1PCh. 25 - Prob. 2PCh. 25 - Prob. 3PCh. 25 - Prob. 4PCh. 25 - Prob. 5PCh. 25 - Prob. 6PCh. 25 - Prob. 7PCh. 25 - Prob. 8PCh. 25 - Prob. 9PCh. 25 - Prob. 10P
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