Question 10 on networks from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper.
Q10. The average power delivered to an impedance by a current is
The average power delivered to the load is integral of the instantaneous power over some period , i.e.
Given that , the equation reduces to,
In our example with
Based on the above, the right choice is (B) 50W
 GATE Examination Question Papers [Previous Years] from Indian Institute of Technology, Madras http://gate.iitm.ac.in/gateqps/2012/ec.pdf
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