Saved Bookmarks
| 1. |
At alternating voltage is applied across the R-L combination V =220 sin 120t V and the current I = 4sin (120t - 60^@)A developes. The power consumption is …… |
|
Answer» Solution :`V_m=220V, I_m=4A, delta=60^@` `P=(V_mI_m)/2 COS delta` `=(220xx4)/2 cos 60^@ =(220xx4)/2 XX 1/2` = 220 W |
|