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Homework Statement
A bar magnet inserted into a coil of 500 turns produces an induced potential of 1.5 Volts, Determine the potential difference induced when each of the following changes are made
a) a 250 turn coil is used
b) the bar magent is moved twice as fast
c) Three identical magnets are inserted at once, side by side
d) All three of the aboce changes occur together