Yes, Automatic cars have a automatic clutch. It works depending on the speed of the vehicle. An automatic clutch consist of many automatic parts internally. It is different from manual clutch. It doesn’t reacquire manual power to change gear, the gear will be changed automatically with the automatic clutch depending on the speed of the vehicle.
There is no clutch pedal and no gear shifting in the automatic cars everything is automatic. Automatic cars consist of a torque converter. It consists of 4 modes Park, Reverse, Neutral, Drive.