On an iron core, the shape of which is shown in Fig. 121, two coils are wound. The magnetic flux produced by each coil does not leave the iron core and is divided equally between the branches. When coil 1 is connected to an alternating current circuit with a voltage of 40 V, the voltage on coil 2 is equal to V. What voltage will be at the terminals of coil 1 if coil 2 is connected to an alternating current circuit with a voltage V?
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