problem26_18

problem26_18 - 26.18: a) P1 I 12 R1 R1 and 10 20 W (2A) 2...

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26.18: a) 1 2 1 1 R I P = = = 00 . 5 ) A 2 ( W 20 1 1 2 R R 10 and 1 R in parallel: A 1 A) 2 ( ) 5 ( ) 10 ( 10 10 = = I I So 2 1 2 and . A 50 . 0 R R I = are in parallel, so ) 5 ( ) A 2 ( ) A 50 . 0 ( 2 = R = 0 . 20 2 R b) V 0 . 10 ) 5 )( A 2 ( 1 = = = V ε c) From (a): A 00 . 1 , A 500 . 0 10 2 = = I I d) (given) W 0 . 20 1 = P W 00 . 5 ) 20 ( ) A 50 . 0 ( 2 2 2 2 2 = = = R i P W 0 . 10 ) 10 ( ) A 0 . 1 ( 2 10 2 10 10 = = = R i P W 0 . 35 W 10 W 5 W 20 Resist = + + = P W 35.0 V) (10.0
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