Answers

2016-04-24T14:00:13+05:30
V=2.5 v
l= 750 mA=0.75 A
t=4 hours= 4''3600s = 14400s
(a) p = vl
=2.5''0.75
 = 1.87500
 (b) r=v/l
 = 2.5/0.75
 = 3.3
 (c) h =pt
 1.875''14400
 == 27000j or 27 kl
3 4 3