[40 points] induction of a toroidal coil. (a) find the self-inductance of a toroidal coil with rectangular cross section (inner radius a, outer radius b, height h), which carries a total of n tums. [20 points] b) calculate the energy stored in this toroidal coil. [20 points

grav potential energy

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myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.