Solve the Problem $t$ Seconds Is $$I = 110 \sin \left( 35 \pi t - \frac { \pi } { 8 } \right)$$

question 368

Multiple Choice

Solve the problem.
-The current I, in amperes, flowing through a particular ac (alternating current) circuit at time $t$ seconds is
$$I = 110 \sin \left( 35 \pi t - \frac { \pi } { 8 } \right)$$
What is the period of the current?

• A) \(\frac { 2 } { 35 }\) second
• B) \(35 \pi\) seconds
• C) \(\frac { 1 } { 280 }\) second
• D) \(\frac { \pi } { 110 }\) second

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