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

question 55

Multiple Choice

In an RLC series circuit, which is connected to a source of emf _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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