Subject :NSO Class : Class 8
The given figure shows a circuit which contains three identical lamps and two switches.
Which of the following statements is correct regarding the given circuit?
AWhen switch 2 is closed and switch 1 is open, all the three lamps glow.
BWhen switch 2 is closed and switch 1 is open, only lamp 1 and lamp 3 glow.
CWhen switch 1 is closed and switch 2 is open, only lamp 2 glows.
DWhen both switch 1 and switch 2 are closed, all the three lamps glow.
shouldn't it be option(A) as all the lamps are connected without any switch in middle except switch two.
Ans 1:
Class : Class 6
why so ??????????????????
Ans 2:
Class : Class 8
A
Ans 3:
Class : Class 8
Can't understand