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The magnetic null is of greatest significance for plasma formation in any Fusion Reactor device. In Ideal case, the radial and vertical component of the magnetic field produced by the Ohmic transformer coil should be approximately zero at some specific location inside the vacuum vessel. Non-zero radial & vertical component of the magnetic field within the plasma region acts as error field and causes difficulties in the gas breakdown. The error field effect can be compensated by placing the transformer coils in series with the solenoid coil. These coil positions must be estimated precisely for designed plasma current inception. This paper proposes a method to optimize the coil positions in order to obtain the null position at the described location inside the vacuum vessel. After optimal positioning of the coils, the magnetic field and plasma formation are analyzed using ANSYS, EFFI, and Poisson codes. The analysis is conducted at Plasma Research Lab. The results obtained with ANSYS simulation is validated with Analytical calculations.

The results reported here may be generally applicable to poor communities in several Asian countries where dietaries are based largely on cereals and to a smaller extent on legumes and pulses. They may perhaps not be applicable to situations in some African countries where the staples are tapioca and plantain. The present observations should not be interpreted to mean that the current home diets in the concerned poor communities are satisfactory and do not need improvement. On the contrary, these diets are deficient in a number of nutrients, particularly vitamin A, riboflavin, iron, and possibly calcium. It should, however, be possible to overcome some of these deficiencies by improving the existing dietaries through the inclusion of relatively inexpensive foods that are locally available and well within the reach of the poor. A question often raised is whether, in view of the bulk arising from low fat content and low calorie concentration, young children would be able to consume predominantly cereal-based diets in quantities adequate to meet their calorie needs. The present study shows that the bulk should not present an insuperable problem provided the total daily diet is divided into several appropriate meals in the course of the day. The immediate practical approach towards combating malnutrition in children living in poor rural Asian communities would seem to lie in educating these communities in bridging the calorie gap with the present dietaries after such improvement, rather than in distributing elaborately processed "protein-rich formulations," which are unnecessary and expensive.