A 10-ohm resistor, 2 H conductor and 25 uF capacitor are connected in series. What current will be drawn if the circuit is connected across a 200 V, 60 Hz supply? a. 0.15 A b. 0.23 A c. 0.31 A d. 0.47 A

Show the solution and illustration. A steel beam in a bridge extends 25 m across a small stream. What is the change in length from the winter, when the temperature is 200 C, to the summer when it is 370 C. The coefficient of linear expansion of steel is 12x10-6 I CC. Ans: 17mm