Subject :NSO Class : Class 7
The diagram shows identical
lamps X and Y connected in
series with a battery. The lamps
light with normal brightness.
A third lamp Z is connected
in parallel with lamp X.
What happens to the brightness
of lamp Y?
A Brighter than normal
B Normal
C Dimmer than normal
D Very dim (cannot be seen).
Ans 1:
Class : Class 8
option D
Ans 2:
Class : Class 8
As it is parallel to x
Ans 3:
Class : Class 7
option b
Ans 4:
Class : Class 9
Option is correct if the battery has infinite nergy
Ans 5:
Class : Class 8
Ans a
Ans 6:
Class : Class 8
brighter than normal as total current through the ckt will increase.
Ans 7:
Class : Class 7
why a. why not b. i think that bulb x will turn dimmer but y will remain the same.
Ans 8:
Class : Class 7