Semiconductor E...

For inputs (A, B) and output (Y) of the following gate can be expressed as 

The following data are for intrinsic germanium at 300 K. $$n_1 = 2.4 \times 10^{19} \ /m^3, \ \mu_e = 0.39m^2 \ / Vs, \ \mu_n = 0.19 m^2 \ /Vs$$. Calculate the conductivity of intrinsic germanium.

The majority current in a $$p-n$$ junction is $$:-$$  

The diode used in the circuit shown in the figure has a constant voltage drog currents and a maximum power rating of 100 mW. What should be the value r, connected in series with the diode, for obtaining maximum current l?

Silicon is a semiconductor. On adding a small quantity of arsenic to it its conductivity 

The output in the figure is:-

Two wires A and B of same material and same mass have radius $$2$$r and r. If resistance of wire A is $$34\Omega$$, then resistance of B will be?

A zener diode, having breakdown voltage equal to 15 V is used in a voltage regulator circuit shown in figure. The current through the diode is

Figure shown the pacticle realisation of a logic gate, Identify the logic gate

What is the value of output voltage $$v _ { 0 }$$ in the circuit shown in the figure