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Q#1
Network Basics
GATE EC 2009
MCQ
+1 mark
-0.33 marks
A fully charged mobile phone with a 12 V battery is good for a 10 minute talk-time. Assume that, during the talk-time, the battery delivers a constant current of 2 A and its voltage drops linearly from 12 V to 10 V as shown in the figure. How much energy does the battery deliver during this talk-time?
220 J
12 kJ
13.2 kJ
14.4 kJ
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