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Questions 1 to 20: Select the best answer to each question. Note that a question and its answers may be split across a page break, so be sure that you have seen the entire question and all the answers before choosing an answer.
1. A voltage of 100 VDC is applied across a resistor, and the temperature of the resistor is measured. Which of the voltage waveforms shown in the figure, when applied across the resistor, would produce that same temperature?
A. Waveform I, waveform 2. or waveform 3
B. Waveform 2 or waveform 3
C. Waveform I or waveform 2 U. Waveform I or waveform 3
