Video Solutions for GATE 2002 ECE : One Mark Questions (Electron Devices)

1. In the figure, a silicon diode is carrying a constant current of 
    1 mA. When the temperature of the diode is 20^oC, V_D is found 
    to be 700 mV. If the temperature rises to 40^oC, V_D becomes 
    approximately equal to

2. If the transistor in figure is in saturation, then