For a half-wave rectifier having diode voltage VD and supply input of VI, the diode conducts for 2 , where is given by

For a half-wave rectifier having diode voltage VD and supply input of

1.	For a half-wave rectifier having diode voltage V_D and supply input of V_I, the diode conducts for 2 , where is given by
A.	tan<sup> -1</sup> V<sub>D</sub>/V<sub>I</sub>
B.	tan<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> V<sub>I</sub>
C.	sin<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub>
D.	sin<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> V<sub>I</sub>
Answer» D. sin<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> V<sub>I</sub>