An AC Power Supply Puts Out a Voltage V = $\pi$

question 56

Multiple Choice

An AC power supply puts out a voltage V = 170sin(2 $\pi$ 60t) and is connected to a resistor R = 20 Ω.What is the power in W dissipated in the resistor?

• A)100
• B)310
• C)720
• D)1000
• E)2000

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