Study the given circuit diagram.
How many bulbs will light up when switches A and B are closed in different situations?
| Only switch A is closed | Only switch B is closed | |
| (A) | | |
| (B) | | |
| (C) | | |
| (D) | | |
Study the given circuit diagram.
How many bulbs will light up when switches A and B are closed in different situations?
| Only switch A is closed | Only switch B is closed | |
| (A) | | |
| (B) | | |
| (C) | | |
| (D) | | |