88, An electric lamp of resistance 400 ohms is connected to a supply of 200V. The lamp is used for 20 hours a day. If the rate per unit is Rs 2 find the cost of using this lamp for the month of April.(30days)
Answers
Answered by
0
fdf gevnth htg fryeydhkdhhddydkeyeyeyyehdhkdhfhkhkrhkrhrhdhdhmdfbfm
Explanation:
vdgdndndbmdv shu sv dggsb
Similar questions