- 17.9 When the periodic voltage 2 + 6 sin ω0t is applied to a 1-Ω resistor, the integer clo

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• 17.9 When the periodic voltage 2 + 6 sin ω0t is applied to a 1-Ω resistor, the integer closest to the power (in watts) dissipated in the resistor is:
  • (a) 5 (b) 8 (c) 20 (d) 22 (e) 40
• 17.10 The instrument for displaying the spectrum of a signal is known as:

(a) oscilloscope	(b) spectrogram
(c) spectrum analyzer	(d) Fourier spectrometer

Answers: 17.1a,d, 17.2b, 17.3b,c,d, 17.4d,e, 17.5a, 17.6d, 17.7a, 17.8b, 17.9d, 17.10c.