g a metal ring with a clockwise current produces a magnetic field (right-hand-rule). if the current increases (which increases the field) over time, what direction will the induced current on the ring be?



Answer :

The induced current on the ring will be counter-clockwise (left-hand-rule).

Fleming's left-hand rule for electric motors is one among a pair of visual mnemonics, the opposite being Fleming's proper-hand rule (for generators). They had been originated with the aid of John Ambrose Fleming, within the overdue nineteenth century, as a simple way of working out the direction of motion in an electric powered motor, or the route of electric modern in an electric generator.

While modern-day flows through a conducting twine, and an outside magnetic discipline is carried out across that float, the accomplishing twine experiences a pressure perpendicular each to that area and to the path of the current drift (i.e they're jointly perpendicular). A left hand can be held, as proven in the illustration, so one can represent 3 jointly orthogonal axes at the thumb, fore finger and center finger. each finger is then assigned to a quantity (mechanical force, magnetic field and electric powered present day). The right and left hand are used for turbines and automobiles respectively.

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