A resistance of 10 ohms and a capacitance of 0.1 farad are connected in series to an alternating voltage source with output (in volts) Vt 50 cos30t. Find the current in the circuit at any time t 0.
October 2, 2013
There is a piece of wire 200 cm long. It needs to be cut into 2 pieces, with one piece forming an equilateral triangle and the other piece forming a circle. How long must each piece be to maximize the area of each shape?
September 4, 2010