D1 Va D2 Vb lS R1 l _ R3 1 .8141 W 2.2m + V5 39v The definitions of the voltage variables that are labeled {and will be calculated in part e} in the schematic above are: Voltage yvgis the voltage across resistor R1 Voltage Eh is the voltage across resistor R3 Voltage E; is the voltage across resistor R4 Find the following: 3] Determine the bias {forward-biased or reversebiased] conditions of diodes D1, D2, and D3. b) Label the current directions with arrows for all of the currents. Label the voltage polarities with plus sign and minus sign pairs for all of the voltages. Use Kirchhoff's Voltage Law, Kirchhoff's Current Law, Ohm's LawJ and the appropriate diode approximations to calculate the circuit currents and voltages in this problem. Find the following: 1:] Find the diode voltages V91 , V92 , and V93 {that is, find the voltages across diodes D1, D2, and DB} Parts d and e of this problem will be solved together. Find the following: d) Find the currents ls , lu , luv, 11, and 11 {see the circuitshown above for the designations of current variables} e] Find the voltages Va , Eh! and H); See the cfrcuitshown above for the designations ofvoltage variables i: Voltage variable definitions: Voltage yvgis the voltage across resistor R1 Voltage Eb. is the voltage across resistor R3 Voltage EC is the voltage across resistor R4 R4 2k