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The current IDS is greater than 0 since the VGS has induced an inversion layer and the transistor is operating in the saturation region.
<u>Explanation:</u>
- Since
>
because
> Vt.
- By the saturation region the MOSFET is operating.
- A specific source voltage and gate of NMOS, the voltage get drained during the specific level, the drain voltage is rises beyond where there is no effect of current during saturated region.
- MOSFET is a transistor which is a device of semiconductor vastly used for the electronic amplifying signals and switching in the devices of electronics.
- The core of this is integrated circuit.
- It is fabricated and designed in an individual chips due to tiny sizes.
Solution :
Given :
The number of lanes in each of the direction is N = 3
The terrain is rolling. And the traffic stream is cars and heavy vehicles. And the peak hour factor is given as 0.85
Now the observed flow speed is S = 48 mph
Flow rate of vehicles is V = 3690 veh/h
Highway operates at the maximum LOS (level of service) D condition.
The density value that is allowed at this condition is D = 35 pc/mi/lane
Therefore,
or
= 35 x 48
= 1680 pcphpl
So the percentage of trucks is 23.33% of the total volume and is equal to 754 vehicles per hour.
If the heavy vehicles are banned from the highway, the number of vehicles will reduce to 2936 vehicles per hour.
The value of
= 1151.3 pcphpl
Density value is ,
=
23.98 pc/mi/lane
Therefore, the level of service improves to LOS C, when the heavy vehicles are banned in the highways while the car traffic remains the same.