Explore BrainMass

Understanding rms values and peak values of voltage/current

A personal computer that has a built in monitor and keyboard requires 40W at 115V(RMS). What is the rms value of the current carried by the power cord?Can you show me how to solve this problem?

© BrainMass Inc. brainmass.com June 24, 2018, 1:05 pm ad1c9bdddf

Solution Preview

With AC voltage, two terminologies are used for voltage, the RMS (Root Mean Square) voltage and the peak voltage. They are related according ...

Solution Summary

Very detailed solution with all steps.