Calculate the conductivity of pure silicon at room temperature when th – InterviewSolution

InterviewSolution

1.	Calculate the conductivity of pure silicon at room temperature when the concentration of carriers is 1.6 x 10 per cm. Take μ = 1500 cm/V-sec, μ = 500 cm/V-sec at room temperature,
Answer» σi = (μe + μn) . e . ni .

Discussion

No Comment Found

Related InterviewSolutions

In the diode circuit shown in figure the diodes are ideal. The impedance seen by source is
Figure is a 24 V stabilized power supply. The zener is 24 V, 600 mW. The minimum zener current is 10 mA. Proper values R and maximum load current are
The open loop gain of an amplifier is 200. If negative feedback with β = 0.2 is used, the closed loop gain will be
In a class C power amplifier the input signal has a frequency of 250 kHz. If the collector current pulses are 0.1 μs wide, the duty cycle of current waveform is
A full wave rectifier circuit using centre tapped transformer and a bridge rectifier are fed at 100 V, 50 Hz. The frequencies of outputs in these two rectifiers are
When the ac base voltage in a CE amplifier circuit is too high, the ac emitter current is
In a self bias circuit for CE amplifier, an increase in emitter resistance R results in
In the CE circuit shown in figure the slope of ac load line will be
When the circuit is switched on, the loop gain of a Wien bridge oscillator is
The op-amp circuit shown in the figure is a filter. The type of filter and its cut off type of filter and its cut off frequency are respectively.