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Q#1 Magnetically Coupled Circuits GATE EE 2002 MCQ +2 marks -0.66 marks

In the circuit shown in Figure, it is found that the input ac voltage (v) and current I are in phase. The coupling coefficient is , where M is the mutual inductance between the two coils. The value of K and the dot polarity of the coil P-Q are

C:\Users\Ankit\Dropbox\GATE papers\EE papers\Typed\Gate-EE-2002\Figures\Q36.jpg

K = 0.25 and dot at P        

K = 0.5 and dot at P

K = 0.25 and dot at Q        

K = 0.5 and dot at Q

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