934_Physics ProblemsTechnical Physics

934_Physics ProblemsTechnical Physics - Chapter 33 P33.36...

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Chapter 33 275 P33.36 One-half the time, the left side of the generator is positive, the top diode conducts, and the bottom diode switches off. The power supply sees resistance 1 2 1 2 1 R R R + L N M O Q P = and the power is V R rms b g 2 . The other half of the time the right side of the generator is positive, the upper diode is an open circuit, and the lower diode has zero resistance. The equivalent resistance is then R R R R R eq = + + L N M O Q P = 1 3 1 7 4 1 and P = = V R V R rms eq rms b g b g 2 2 4 7 . ~ V R R R R 2 FIG. P33.36 The overall time average power is: V R V R V R rms rms rms b g b g b g 2 2 2 4 7 2 11 14 + = . Section 33.7 Resonance in a Series RLC Circuit P33.37 ω π 0 6 8 2 99 7 10 6 26 10 1 = × = × = . . e j rad s LC C L = = × × = 1 1 6 26 10 1 40 10 1 82 0 2 8 2 6 ω . .
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