battery of e.m.f 10 V and internal resistance 0.5 
is connected across a variable resistance 
. The value of 
for which the power delivered in it is maximum is given by
A
0.5 
B
1.0 
C
2.0 
D
0.25
Text Solution
Verified by ExpertsThe correct answer is:
A
The output power of a cell is given by
Maximum power is delivered to the load only when the internal resistance of the source is equal to the load resistance (R). Then
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