HW11 - Platt, David Homework 11 Due: Oct 3 2005, 4:00 am...

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Unformatted text preview: Platt, David Homework 11 Due: Oct 3 2005, 4:00 am Inst: Ken Shih 1 This print-out should have 9 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 2) 10 points Consider an air-filled parallel plate capaci- tor with plate area A and gap width d . The plate charge is Q . E d + Q- Q A A The total energy stored in the capacitor is given by 1. U = Q 2 Ad . 2. U = Q 2 d 2 A . 3. U = Qd A . 4. U = Q 2 A d . 5. U = QA d . 6. U = Q 2 Ad . 7. U = Q Ad . 8. U = Q 2 2 Ad . 002 (part 2 of 2) 10 points With the battery connected, fill the gap by a slab with the dielectric constant . Compare the new plate charge Q with Q , the plate charge in part 1. Choose one: 1. Q = 2 Q - 1 2. Q = Q 3. Q = ( + 1) Q 4. Q = - 1 2 Q 5. Q = Q + 1 6. Q = ( - 1) Q 7. Q = Q - 1 8. Q = 2 Q + 1 9. Q = + 1 2 Q 10. Q = Q 003 (part 1 of 2) 10 points Consider the setup shown, where a capacitor...
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This note was uploaded on 04/10/2009 for the course PHY 303L taught by Professor Turner during the Fall '08 term at University of Texas at Austin.

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HW11 - Platt, David Homework 11 Due: Oct 3 2005, 4:00 am...

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