Solve
-The Output Voltage for An \mathrm $\mathrm { AC }$

question 173

Multiple Choice

Solve.
-The output voltage for an $\mathrm { AC }$ generator is approximated by $\mathrm { v } = 156 \cos \left( 120 \pi \mathrm { t } - \frac { \pi } { 3 } \right)$ . Find the smallest positive value of $\mathrm { t }$ for which the output is 75 volts. Round values to 4 decimal places.

• A) \(0.0056\)
• B) \(0.0046\)
• C) \(0.0122\)
• D) \(0.0112\)

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