Another strong influence on Bob Dylan was not a musician primarily, although he has written music, but a comedian -- Charlie Chaplin. After seeing many Chaplin films, Dylan found himself beginning to pick up some of the gestures of the classic tramp of silent films.
Serostatus refers to the presence or absence of a serological marker in the blood. The presence of detectable levels of a specific marker within the serum is considered seropositivity, while the absence of such levels is considered seronegativity.
Answer Wiki. A rheostat is nothing more than a variable resistor. Traditionally, a rheostat differs from a potentiometer in having only two terminals, one connected to the wiper and one to an end of the resistive element, but since a potentiometer (with three terminals) can also be used as a rheostat, that distinction is often overlooked.