1 .		The electrical service provided by the power company is in the form of voltage and current. [Hint]
2 .		The time required for a sine wave to complete one full cycle is called the (T). [Hint]
3 .		is the number of cycles that a sine wave completes in one second. [Hint]
4 .		Two basic methods of generating sine wave voltages are and electronic. [Hint]
5 .		All signal generators consist basically of an , which is an electronic circuit that produces sine wave voltages, whose amplitude and frequency can be adjusted. [Hint]
6 .		Instantaneous values are during the positive alternation and negative during the negative alternation. [Hint]
7 .		The value of a sine wave is the value of voltage (or current) at the positive or the negative maximum (peak) with respect to zero. [Hint]
8 .		The value of a sine wave is the voltage or current from the positive peak to the negative peak. (Note: Use hyphens in answer.) [Hint]
9 .		RMS stands for . [Hint]
10 .		The rms value is also referred to as the value. [Hint]
11 .		The average is the total area under the sine wave half-cycle divided by the distance in radians of the curve along the horizontal axis. [Hint]
12 .		A is an angular measurement corresponding to 1/360 of a circle or a complete revolution. [Hint]
13 .		A is defined as the angular measurement along the circumference of a circle that is equal to the radius of the circle. [Hint]
14 .		The Greek letter (pi) represents the ratio of the of any circle to its diameter. [Hint]
15 .		The of a sine wave is an angular measurement that specifies the position of that sine wave relative to a reference. [Hint]
16 .		With regard to a sine wave, the is the maximum value of the voltage or current on the vertical axis. [Hint]
17 .		A can be described as a very rapid transition from one voltage or current level to an amplitude level, and then, after an interval of time, a very rapid transition back to the original baseline level. [Hint]
18 .		time is the time required for a pulse to go from 10% of its full amplitude to 90% of its full amplitude. [Hint]
19 .		Any wave that repeats itself at fixed intervals is . [Hint]
20 .		The rate at which pulses repeat is the . [Hint]
21 .		The is the ratio of the pulse width to the period and is usually expressed as a percentage. [Hint]
22 .		A is composed of positive-going and negative-going ramps having equal sides. [Hint]
23 .		The is the repetition rate of a waveform. [Hint]
24 .		are higher frequency sine waves that are multiples of the fundamental frequency. [Hint]
25 .		An is an instrument that displays voltage versus time. [Hint]