The magnetic flux that passes through one turn of a 12-turn coil of wire changes to 5.50 from 9.11 wb in a time of 0.0309 s. the average induced current in the coil is 272 a. what is the resistance of the wire?

The resistance of the wire is 5.15 ohm

Explanation:

Given Magnet flux change through one turn is

Time take

Induced current

Number of turns ,N= 12 turns

Therefore total change in flux through 12 turns is

Now induced voltage in the coil is given by

where R = Resistance of the wire

=>

Thus the resistance of the wire is 5.15 ohm

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