A single-transistor amplifier is needed that has a gain of approximately 0 dB and an input resistance of 20 MΩ with a load resistor of 20 kΩ. What is the preferred choice of amplifier configuration?

Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct

Burgers vector is generally parallel to the dislocation line. a)-true b)-false

Modern high speed trains do not have perpendicular expansion gaps where rails are joined end-to-end any more they are mostly welded together but what might happen if there was a spell of particularly hot weather that causes inspection of the tracks?