Electro Magnetic Induction And Alternating Currents Question 188

Question: What is the amount of power delivered by the ac source in the circuit shown (in watts).

Options:

A) 500 watt

B) 1014 watt

C) 1514 watt

D) 2013 watt

Show Answer

Answer:

Correct Answer: C

Solution:

  • i1,rms=ErmsXC2+R12=13013=10A

    i2,rms=ErmsXL2+R22=13,A

    Power dissipated =i1,rms2,R1+i2,rms2R2=102×5+132+6 = power delivered by battery =500+169×6=1514,watt



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