InterviewSolution
Saved Bookmarks
| 1. |
(i) An electric bulb is marked 100 W, 250 V. What information does this convey ? (ii) How much current will the bulb draw if connected to a 250 V supply ? |
|
Answer» (i) It means that if a bulb is given a 250 V supply, it will consume 100 J of energy per second. (ii) Let P = VI ⇒ ∴ I = 0.4 A |
|