21. A square wave has a period of 60 µs. The first odd harmonic is A. 5 kHz B. 50 kHz C. 500 kHz D. 33.33 kHz Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
22. Periodic is characterized by a repetition at fixed time intervals. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
23. The designation rms means repetitions measured per second. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
24. A saw-tooth wave has a period of 10 ms. Its frequency is A. 10 Hz B. 50 Hz C. 100 Hz D. 1,000 Hz Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
25. The average value of a 12 V peak sine wave over one complete cycle is A. 0 V B. 1.27 V C. 7.64 V D. 6.37 V Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
26. The duty cycle of a pulse waveform with a pulse width of 10 µs and a period of 100 µs is 25%. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
27. If the rms voltage drop across a 15 kΩ resistor is 16 V, the peak current through the resistor is A. 15 mA B. 1.5 mA C. 10 mA D. 1 mA Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
28. The angular position of a phasor represents the angle of the sine wave with respect to a reference. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
29. The unit of frequency is the hertz. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
30. How many degrees are there in p/3 rad? A. 6° B. 60° C. 180° D. 27° Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board