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) | | |