1. A diode is: Multiple choice questions (2 points each) CLO 1.8 points a) is the simplest of the semiconductor devices b) Has a characteristic that closely follows that of a switch c) is two terminal device d) All of the mentioned 2. The value of I and V for the circuit shown below are a) 2A and 5V respectively b) -2A and 5V respectively c) -2A and -5V respectively d) 2A and OV respectively 3. A simple diode rectifier has 'ripples' in the output wave, which makes it unsuitable as a DC source. To overcome this one can use: a) A capacitor in series with a the load resistance b) A capacitor in parallel to the load resistance. c) Both of the mentioned situations will work d) None of the mentioned situations will work AL 4. Consider an AC sine wave voltage signal being used to connect a diode and a resistor as shown in the figure. The variation of the voltage across the diode (Vd) with respect to time (t) is given by + Up R