In an RLC Series Circuit, Which Is Connected to a Source

question 68

Multiple Choice

In an RLC series circuit, which is connected to a source of emf $\varepsilon$ _mcos( $\omega$ t) , the current lags the voltage by 45 $\degree$ if:

• A) R = 1/ \( \omega \)C - \( \omega \)L
• B) R = 1/ \( \omega \)L - \( \omega \)C
• C) R = \( \omega \)L - 1/ \( \omega \)C
• D) R = \( \omega \)C - 1/ \( \omega \)L
• E) \( \omega \)L = 1/ \( \omega \)C

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