Answered: A capacitor stores energy within a 1…

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter30: Faraday's Law

Section: Chapter Questions

Problem 50CP

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4. A capacitor stores energy within a 1 point dielectric between the conducting plates in the form of A. electric field B. electric force C. magnetic field D. polarization 5. Which of the following is the unit 1 point of capacitance? A. C/N.m B. C²/N.m C. N.m/C² D. N.m²/C² 6. Which of the following units is the 1 point Farad equal? A. CV² B. J/V² C. J/C D. C/V 7. When is a capacitor is fully charged? A. when the voltage across the plates is 75% of the input voltage B. when the voltage through the capacitor is the same as the voltage source C. when the voltage across its plates is half of the voltage from the ground to one of its plates D. when the current through the capacitor is directly proportional to the area of the plate 8. Two parallel plate capacitors A and B are given. Capacitor A has a capacitance Co and capacitor B has plates with twice the area and twice the separation distance of capacitor A. What is the capacitance of B? A. ¼Co B. ½Co C. Co D. 2Co 9. What if capacitor B has plates with twice the area but the same separation distance as the capacitor A, then the capacitance of B will be? A. ¼Co B. ½Co C. Co D. 2Co

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