!"#$%&' )*+), -.& /0"/102 03 "14 5#" ,)6 3&/#473+ ,+8 R 1 = 8 ! V 1 = 4 V R 3 = 1 ! 9+8 :.92;3 2.& /1""&42 04 &9/. "&3032#"< R 5 = 1 ! R 2 = 5 ! V 2 = 12 V R 4 = 3 ! =&%#> 03 94 &4%9"?&7 /0"/102 >02. /1""&423 7&@4&7 #4 9 $&32A?1&33 $9303 B'#"& 9$#12 /1""&42 7&@40C#43 92 2.& &47 #5 2.& D"#$%&'8E R 1 = 8 ! V 1 = 4 V R 3 = 1 ! R 5 = 1 ! R 2 = 5 ! V 2 = 12 V R 4 = 3 ! i 1 i 2 i 1 + i 2 )+8 9+8 :.92;3 2.& /1""&42 04 &9/. "&3032#"< R 1 = 8 ! V 1 = 4 V R 3 = 1 ! R 5 = 1 ! R 2 = 5 ! V 2 = 12 V R 4 = 3 ! i 1 i 2 i 1 + i 2 L 1 L 2 V 1 ! i 2 R 3 ! i 2 R 2 ! i 1 + i 2 ( ) R 1 = 0 4 ! i 2 1 () ! i 2 5 () ! i 1 8 () ! i 2 8 () = 0 " 8i 1 + i 2 14 ( ) = 4 " i 1 = !14i 2 + 4 8 " i 1 = !1.75i 2 + .5 -.& !"#$ $&'()"! >93 13&7 2# 7&@4& 2.& /1""&42 2."#1?. 2.& * #.' "&3032#"F 3# >02. #4%G 2># 14H4#>43F >& 4&&7 2# 13& *""+ $&'()"!, 2# @403. 2.& 293H+ I;J& 07&4C@&7 2.& %##D3 947 70"&/C#4 #5 2"943J&"3& #4 2.& 3H&2/.+ L 1 : V 1 ! i 2 R 3 ! i 2 R 2 + i 1 R 4 + i 1 R 5 ! V 2 = 0 4 ! i 2 1 () ! i 2 5 () + i 1 3 () + i 1 1 () ! 12 = 0 " ! i 2 6 () + i 1 4 ( ) = 8 " 4i 1 ! 6i 2 = 8 " 4 !1.75i 2 + .5 ( ) ! 6i 2 = 8 " ! 7i 2 + 2 ! 6i 2 = 8 " i 2 = !.46 L 2 : BK#2& 2.92 2.&"& 9"& 3&J&"9% >9G3 2# 3#%J& 2.&3&+ I;J& 13&7 94 9%?&$"90/ 9DD"#9/. 0432&97 #5 9 '92"0LA7"0J&4 /9%/1%92#" 9DD"#9/.+ M02.&" >0%% 7#N8 O+8 P#E R 1 = 8 ! V 1 = 4 V R 3 = 1 ! R 5 = 1 ! R 2 = 5 ! V 2 = 12 V R 4 = 3 ! i 1 i 2 i 1 + i 2 L 1 L 2 i 1 = !1.75i 2 + .5 = !1.75 !.46 ( ) + .5 = 1.3 A i 3 = i 1 + i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i 2 P V 1 = W battery1 !t " W battery1 = P!t = #1.84 joules sec ( ) 120 sec ( ) = #222 joules $+8 -.& &4&"?G 7&%0J&"&7 $G &9/. $9R&"G '9H&3 13& #5 2.& D#>&" "&%9C#43.0D+ Y#" E U+8 V 1 P V 1 = i 2 V 1 = !.46 A ( ) 4 V ( ) = !1.84 W R 1 = 8 ! V 1 = 4 V R 3 = 1 ! R 5 = 1 ! R 2 = 5 ! V 2 = 12 V R 4 = 3 ! (!.46A) L 1 L 2 (.84A) (1.3A) :.G 2.& 4&?9CJ& 30?4< -.& ,) J#%2 $9R&"G 03 5#"/04? /1""&42 -!." 2.& U J#%2 $9R&"G+ -.03 03 #DD#302& >.92 $9R&"G 1319%%G 7# B2.&G 9"& 7&30?4&7 2# D12 &4&"?G 042# 2.& 3G32&'8+ Q3 31/.F 2.& $9R&"G 04 2.03 /93& /94 $& 2.#1?.2 #5 93 7&D%&C4? &4&"?GF 31??&323 9 4&?9CJ& D#>&" "9C4?+ Z4#>04? 2.& D#>&"F >& /94 >"02&E i 1 i 2 i 3
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R P#E(faculty.polytechnic.org/physics/3 A.P. PHYSICS 2009... · ^+8(R 1=8 ! V 1=4 V R 3=1 ! R 5=1 ! R 2=5P ! V 2=12 V R 4=3 ! L 1 L 2 Y#"(((((E(R 4 =i 1 2R 4 =(1.3 A)2(3 ! =5.07 joules
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