Gmdss_e3 : Element 3 - 42/605
|
|---|
| « Previous Question |
| What is a sine wave? |
| A) A constant-voltage, varying-current wave. |
| B) A wave whose amplitude at any given instant can be represented by the projection of a point on a wheel rotating at a uniform speed. |
| C) A wave following the laws of the trigonometric tangent function. |
| D) A wave whose polarity changes in a random manner. |
loading answer...
| Comments |
|---|
| There are no comments for this question. |