Bµi 10 .d¹ng I C 1 = 1 4 kd s π ε C 2 = 2 4 kd s π ε 21 111 CCC B += = s kd ε π 1 4 + s kd ε π 2 4 = s ddk ε π )(4 21 + = s kd ε π 4 = C 1 → T 1 =T / Bµi 8 d¹ng III I= 13 12 / + = + rr E = 3A Bµi 3 d¹ng IV A.λ / = λ 6 5 B.λ / = λ 5 6 B.λ / = λ 3 4 C.λ / = 4 3 C 1 = C 3 = 3 4 d k s π ε = kd s π 4 .1.3 = 3C C 2 = 3 4 . / d k s π ε = kd s π 4 .2.3 = kd s π 4 6 = 6C 321 1111 CCCC B ++= → C B = 5 6C → λ / =c.T =c. B LC π 2 B C C = / λ λ = 6 5 → λ / = λ 5 6 Bµi 6 d¹ng IV [ ] =+= +=++=+= − −− mCLc FCCCCC xB 2010).10(2. 10).10(10.)010( 6 01 6 0 6 0101 πλ [ ] =+= +=++=+= − −− 102010).190(2. 10).190(10.)18010( 6 02 6 0 6 0202 CLc FCCCCC xB πλ 190 10 0 0 2 1 + + = C C λ λ 10 1 → 10 1 190 10 0 0 = + + C C → C 0 = 10 pF