What happens to the glow of the other two bulbs when bulb B1 gets fused? What happens to the readings of A1, A2, A3, and A when the bulb is fused?
a. Glow of other bulbs increases; Readings decrease
b. Glow of other bulbs decreases; Readings increase
c. Glow of other bulbs decreases; Readings remain the same
d. Glow of other bulbs increases; Readings remain the same