An interesting form of ballistic galvanometer is the Grassot fluxmeter.
2.
In order to operate correctly, the discharge time through the regular ballistic galvanometer must be shorter than the period of oscillation.
3.
Its construction is similar to that of a ballistic galvanometer, but its coil is suspended without any restoring forces in the suspension thread or in the current leads.
4.
In 1924, the German psychiatrist Hans Berger connected a couple of electrodes ( small round discs of metal ) to a patient's scalp and detected a small current by using a ballistic galvanometer.
परिभाषा
a moving-coil galvanometer that measures electric charge
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