Physics for IGCSE & O level - Electricity (Section 2 - No. 23)
In a parallel circuit, what happens if one of the parallel branches is opened?
The current in the other branches decreases.
The current in the other branches increases.
The total current decreases.
The total current increases
הֶסבֵּר
Opening a branch stops current flow in that branch, and the total current decreases.