Analysing the situations given — task. Physics CBSE Live product, Class 7 (2026-27).

Apply the Concept:

1. An electrician is selecting a material for making electrical wires in a new house. Which material is the most suitable?

Iron because it is strong and hard.
Aluminium because it is lighter than copper.
Silver because it is the best conductor of electricity.
Copper because it conducts electricity efficiently and is widely used for wiring.

2. Rahul observes that the filament inside a lamp has broken. What should he do next?

Did you find an error?

5. Analysing the situations given