KVPY SA Exam 2013 Question Paper

Question : 26 of 80

Marks: +1, -0

A current of 0.1 A flows through a 25 Ω resistor represented by the circuit diagram. The current in the 80 Ω resistor is

Solution:

0.1×(25+{20×60}/{20+60})=i_2×20

I_2

= 0.2A
Hence, i through 80Ω
0.1 + 0.2 = 0.3A

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