Q)
(chatquestion)...(c) 12 A
(d) 14 A
25. A d.c. main supply of e.m.f. 220 V is connected across a storage battery of e.m.f. 200 V through a
resistance of 1N. The battery terminals are connected to an external resistance 'R'. The minimum value of
'R', so that a current passes through the battery to charge it is :
(a) Zero
(b) 11 0
(c) 92
(d) 7 N
373
...
