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test 4 - PHYS 112 — Test 1 Summer 2009 P2 Two parallel...

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Unformatted text preview: PHYS 112 —- Test 1 Summer 2009 P2: Two parallel plate capacitors with the same plate area A = 0.36 m2 are r— ‘1‘? 1 I.— mounted in series and connected to a battery with a potential difference V = A B C D l0 V. The plate separations ared= 2.0 mm and d/2. a) [4] Calculate the capacitances C1 and C; and th 6::us en! capacitance“ C of 1116 series circuit. 3 56133104 F .-—= fifixlowllrl ' A... -'—' c z a 3. 3 .001 3 ‘ESXlollc :' Cu)“: {Gd/1 %‘ NJ'F‘L ”fig” . b) [2] Calculate the net charge Q stored CM %U :D( mam-«Mot; “3% 3_(pflg A; 433 ’ _ 3 __.c, — 1 . $.l‘abrll0 r.» _: _ E. 333 .1 3m L 3 333333 5N Mia; 11) cm Calculate the difierence of potential across the plates of each capaci or , Q.‘ _ Mal/‘10 "(L ('1 » 53; loot/Ho": VI C’I - l.S°l%Na“'F. - VA 1 ' 3.183313“ film” =EQLKJ e) I3] Calculate the mag?! "90 re electric field in between the plates of each of the two capacitors 5. are 7v (.3 . - V E t f 3‘7 ~00? i (:1 ‘ t ~33 - 6 = 3 3333 33 v f) [4] If a proton is initially at rest on plate A (F C 1 and then is released from rest what IS its speed when it reaches pllatc B? -e, E A ’leva “f, ‘ v 3331451: la; -7r' 3n g) [1] The same experiment is done between the plates ong. Compared with part (f), t f \ smaller @ the same 33h.33333 6mm 5 ...
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