Answer the question below.

Three identical light bulbs A, B, and C are connected in an electric circuit as shown in the diagram below.

S B C a. How bright is bulb A compared to B and C? b. How bright are the bulbs after switch S has been opened? c. How do the currents in bulbs A and B change when switch S is opened? Current in A Current in B (a) decreases increases (b) decreases decreases (c) increases increases (d) increases decreases