A certain band limited periodic voltage has only three harmonics in its Fourier series representation The harmonics have the following rms values fundamental 40 V, third harmonic 20 V, fifth harmonic 10 V (a) If the voltage is applied across a 5 resistor, find the average power dissipated by the resistor (b) If a dc component is added to the periodic voltage and the measured power dissipated increases by 5 percent, determine the value of the dc component added

Question: A certain band-limited periodic voltage has only three harmonics in its Fourier series representation. The harmonics have the following rms values: fundamental 40 V, third

A certain band-limited periodic voltage has only three harmonics in its Fourier series representation. The harmonics have the following rms values: fundamental 40 V, third harmonic 20 V, fifth harmonic 10 V.
(a) If the voltage is applied across a 5- Ω resistor, find the average power dissipated by the resistor.
(b) If a dc component is added to the periodic voltage and the measured power dissipated increases by 5 percent, determine the value of the dc component added.

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