1. Home
  2. / Forum

User Forum

Ask Your Question
Pramath Ram from Canara CBSE, Mangalore
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:

Aparajita from Mount Litera Zee School, Vasco da gama
Class : Class 8
As it is parallel to x

Ans 2:

Kshitij verma from DPS KAMPTEE NAGPUR, Nagpur
Class : Class 8
brighter than normal as total current through the ckt will increase.

Ans 3:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
why a. why not b. i think that bulb x will turn dimmer but y will remain the same.

Ans 4:

Taksh from St John High School, Mumbai
Class : Class 8
Ans a

Ans 5:

Jai kumar Bohara from Dps, Udaipur
Class : Class 9
Option is correct if the battery has infinite nergy

Ans 6:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
option b

Ans 7:

Anubhab Maity from Dps ruby park, Kolkata
Class : Class 7

Ans 8:

Aparajita from Mount Litera Zee School, Vasco da gama
Class : Class 8
option D

Post Your Answer