The Oscillating Current in an Electrical Circuit Is $I = 2 \sin ( 60 \pi t ) + \cos ( 120 \pi t ) \text { where } I$

question 35

Multiple Choice

The oscillating current in an electrical circuit is $I = 2 \sin ( 60 \pi t ) + \cos ( 120 \pi t ) \text { where } I$ is measured in amperes and t is measured in seconds. Find the average current for the time interval $0 \leq t \leq \frac { 1 } { 120 }$ . Round your answer to three decimal places.

• A) \(1.637\) amps
• B) \(0.637\) amps
• C) \(1.273\) amps
• D) \(2.546\) amps
• E) \(2.273\) amps

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