Current Electricity and Electrical InstrumentHard
Question
For a particular resistance X in the figure shown the thermal power generated in ′Y′ is maximum when Y = 4Ω. Then X is:


Options
A.2Ω
B.3Ω
C.1 Ω
D.6 Ω
Solution
For maximum power req = Req ⇒ 2 +
= 4 ⇒
= 4
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