A circular coil has a 10.2 cm radius and consists of 35.0 closely wound turns of wire. An externally produced magnetic field ofmagnitude 2.46 mT is perpendicular to the coil. (a) If no current is in the coil, what magnetic flux links its turns? (b) When the currentin the coil is 4.91 A in a certain direction, the net flux through the coil is found to vanish. What is the inductance of the coil?(a) NumberUnits(b) NumberUnits

Radius of the coil=10.2 cm No of turns =35.0 Area of cross section of the coil=πr2=π(10.2)2=326.8512…

Answered: A circular coil has a 10.2 cm radius…

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