A Series Circuit Consists of a Resistor $R = 96 \Omega$

question 16

Multiple Choice

A series circuit consists of a resistor $R = 96 \Omega$ , an inductor with $L = 8 \mathrm { H }$ , a capacitor with $C = 0.00125 \mathrm {~F}$ , and a generator producing a voltage of $E ( t ) = 48 \cos ( 10 t )$ If the initial charge is $Q = 0.001 \mathrm { C }$ and the initial current is 0, find the charge $Q ( t )$ at time t.

• A) \(Q ( t ) = e ^ { - 6 t } ( 0.001 \cos ( 8 t ) - 0.06175 \sin ( 8 t ) ) + \frac { 1 } { 20 } \sin ( 10 t )\)
• B) \(Q ( t ) = e ^ { - 2 t } ( 0.051 \cos ( 2 t ) - 0.06175 \sin ( 2 t ) ) + \frac { 1 } { 20 } \sin ( 10 t )\)
• C) \(Q ( t ) = e ^ { - 6 t } ( \cos ( 6 t ) - 0.06175 \sin ( 6 t ) )\)
• D) \(Q ( t ) = e ^ { - 3 t } ( \cos ( 5 t ) - 0.06175 \sin ( 5 t ) )\)
• E) \(Q ( t ) = e ^ { - 6 t } ( 0.001 \cos ( 8 t ) - 0.06175 \sin ( 8 t ) )\)

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