Physics for IGCSE & O level - Electricity (Section 4 - No. 42)
In a parallel circuit, if one branch is opened (broken), what happens to the other branches?
The current increases in the other branches.
The voltage decreases in the other branches.
The other branches continue to function normally.
The other branches also stop functioning.
Giải thích
In a parallel circuit, each branch is independent; opening one branch doesn't affect others.