In the figure, switch S is initially open. It is closed, and then opened again a few seconds later.

(a) In what direction does current flow through the ammeter when switch S is closed?
(b) In what direction does current flow when switch S is then opened?
(c) Sketch a qualitative graph of the current through the ammeter as a function of time. Take the current to be positive to the right.

Transcribed Image Text:

(A S.