InterviewSolution
Saved Bookmarks
| 1. |
A circuit has a line of 5 A. How many lamps of rating 40W, 200V can simultaneously run on this line safely ? |
|
Answer» Solution :GIVEN V= 200 V,P = 40 W , I = 5A N= ? mP = VI `n=(VI)/(P) = (200xx5)/(40)` `=(100)/(4)= 25` lamps `:. 25` Lamps . |
|