Q1. A series R-L-C circuit of R = 200 ohms , L = 0.900 H and C= 2.00 uF carries an rms current of 0.250 A with the frequency of 100 Hz .What is the average rate at which electrical energy is dissipated in the capacitor and inductor?
Q2. A board is 6 meters long. The center of mass is in the 2 meters from the left end. The board has a weight of 320 Newton's. How much force in Newtons is necessary to lift the right end while the other end stays on the ground?