InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
A 60 watt bulb carries a current of 0.5 A. Total charge passing through in one hour is : (a) 3600 C (b) 3000 C (c) 2400 C (d) 1800 C |
| Answer» <p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Correct option (d) 1800 C</strong></span></span></p><p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Explanation:</strong></span></span></p><p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">From the formula of current and charge. charge = current × time </span></span></p><p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">or q = it (given i = 0.5 A, time t = 1 hour = 60 × 60 sec) </span></span></p><p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">or q = 0.5 × 60 × 60 </span></span></p><p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">= 1800 coulomb</span></span></p> | |