36. If the peal value of a certain sine wave voltage is 10 V, what is they peak to peak value ?
(a) 20 V
(b) 10 V
(c) 5 V
(d) 7.07 V
37. In a pure resistor, the voltage and current are ________.
(a) out of phase
(b) in phase
(c) 900 out of phase
(d) 450 out of phase
38. For the same peak value, which is of the following wave will have the highest rms value ________.
(a) sine wave
(b) square wave
(c) triangular wave
(d) half wave rectified sine wave
39. Sine wave A has a positive going zero crossing at 300. Sine wave B has a positive going zero crossing at 450. What is the phase angle between two signals ?
(a) 300
(b) 450
(c) 750
(d) 150
40. One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is ________.
(a) 0°
(b) 45°
(c) 40°
(d) none of the above
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