Current Electricity 2 Question 18
18. A battery of internal resistance is connected to the network of resistances as shown in figure. In order that the maximum power can be delivered to the network, the value of in should be
(1995, 2M)
(a)
(b) 2
(c)
(d) 18
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Solution:
- The given circuit is a balanced Wheatstone’s bridge.
Thus, no current will flow across
For maximum power, net external resistance