Answer / Premnath Gupta

The Nichols Chart, also known as the Smith Chart for transmission lines, has two main contours: the constant resistance (R) contour and the constant impedance magnitude (Z) contour. These contours help in graphically analyzing the behavior of electrical networks.

I have raw material for making Compact-Choke for flourscent lamp of 40 Watts. We are suppose to get 0.4 amps output at end. but we are getting 0.42 or 0.44 amps and above. We have done many testings in different but nothing worked out. Please suggest me how to get the correct output. We are using 1. core winding of 700 windings of aluminium 2. E-shape iron fillings and I-shape iron fillings to surround the winding.

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