A sinusoidal ac voltage source in a circuit produces a maximum voltage of 11.2 V and an rms current of 7.80 mA . For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Current in a personal computer. Part A.  Find the voltage amplitude. Express your answer in volts.   Part B. Find the current amplitude. Express your answer in milliamperes.   Part C. Find the rms voltage of this source. Express your answer in volts.

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