Assertion : If three identical bulbs are connected in series as shown in figure then on closing the switchs. Bulb `C` short circuited and hence illumination of bulbs `A` and `B` decreases.
Reason : Voltage on `A` and `B` decreases
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the cor rect explanation of the assertion.
C. If assertion is true but reason is false
D. If the assertion and reason both are false