The electromotive force obtained from a simple dynamo may be increased by

Question 1 Report

The electromotive force obtained from a simple dynamo may be increased by

increasing the cross-sectional area of the coil

winding the coil on a soft-iron armature so as to decrease the magnetic flux through the coil

increasing the speed of rotation

making the field magnet longer

using low-resistance copper coils

Current Electricity

Electric Cells

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