primary coil sentence in Hindi

Examples

1. The directions of the currents flowing in the two coils, I1 and I2, are defined such that, When I1 and I21 are both positive, the fleux generated by I2 is opposite that genereated by I1 . . . On the primary side of the transformer, the voltage source V1 generates a current I1 in the primary coil, which established a flux Phi in the magnetic core.
2. One appears to use a coil with high frequency ( 20khz ) alternating current flowing through it to heat a " core " of magnetic material placed inside the coil and the second appears to heat non-magnetic but electrical conductive materical that has been formed into a closed single turn secondary coil around a closed core with a primary coil and the third is magnetic material inserted between the ends of an open core.