12) How are P type semiconductors created? 13) The majority (that is many, many in number) carriers in P type material are (choose from the following): Electrons, Holes, Neutrons, or Gravitons 14) The current in N type material consists mostly of the movement of (choose from the following): Electrons, Holes, Neutrons, or Gravitons 15) The current in P type material consists mostly of the movement (flow) of (choose from the following): Electrons, Holes, Neutrons, or Gravitons 16) Draw each of the following for a Diode (Semiconductor PN junction diode) and label the terminals: Internal construction of diode Physical package of diode Schematic symbol of diode 17) Draw the schematic symbol of a diode. Show the Voltage (Vo) polarity reference label with a plus and minus sign pair, and show the current (lo) direction reference label with an arrow, on your schematic symbol diagram. In addition, write the Shockley diode math equation with appropriate variables and parameters. 18) Sketch the "actual" shape of the plot of diode current lo versus diode voltage Vo. Label all axes with appropriate variables and units. Label the Forward Bias region and label the Reverse Bias region. State the mathematical signs (positive or negativ) of the current (lo) and voltage (Vo) variable quantities in both the Forward Bias and Reverse Bias regions. 19) Draw the Approximate Diode model when a diode is Forward biased. Label the actual physical voltage polarity and label the actual physical current direction on your Forward Biased diode diagram. For the Forward biased diode, also indicate the approximate numerical values of the voltage Vo for a Silicon (Si) diode and for a Germanium (Ge) diode. 20) Draw the Approximate Diode model when a diode is Reverse blased. Label the actual physical voltage polarity and label the actual physical current direction on your Reverse Biased diode diagram. For the Reverse blased diode, also Indicate the approximate numerical value of the current lo 21) What is the rough approximate value of the voltage across a Forward biased LED (Light Emitting Diode)? 22) Given a diode with the parameters: n=1.3, Is= 3.0 nA, VT = 26 mV Use the Shockley Diode equation to: a) Find the diode current (lo) when the diode voltage is Vo = 0.61 V b) Find the diode current (Jo) when the diode voltage is Vo = -5V (minus 5 V) c) Find the diode current (lo) when the diode voltage is Vo = 0.51 V d) Find the diode current (Ip) when the diode voltage is Vo = 0.81 V