A coil has 1000 turns of wire wrapped in a single layer around a cylindrical form that is 1 centimeter in diameter. The coil of wire is 10 centimeters long. What is the approximate inductance of this coil?  (Hint: The answer is 1 mH.)

V09

Tarik winds a small paper tube uniformly with 173 turns of thin wire to form a solenoid. The tube's diameter is 7.95 mm and its length is 2.07 cm. What is the inductance, in microhenrys, of Tarik's solenoid? inductance: µH

Say we have an inductor with an inductance of 2.5 H.  How fast does the current through it change when the voltage across it is 10 V?

A coil has an inductance of 1.5 H and a resistance of 0.6 ohm. If the coil is suddenly connected across a 12-V battery, find the time required for the current to rise to 0.63 of its final value.

A voltage is applied to a coil. After waiting one time constant, an inductor with 50 windings and an inductance of 2.0mH has a current of .20 A.  What will the current through the inductor be after waiting for 10 time constants? Show the algebraic form of the equation(s) that you apply. Report your answer with the correct number of significant figures and units.