| http://www.w3.org/ns/prov#value | - Thus ##EQU2## considering I2 as the magnitude of the ac current ie. the voltage V2 induced in the search coil 18 is proportional to the coils cross section A, the time rate of change of the field strength F and number of coil turns N and inversely proportional to distance D, or ##EQU3## Where K is a constant.
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