MEDIUM
7th CBSE
IMPORTANT
Earn 100

Heating effects of currents can be used in heaters and immersion rods. Think of the situations where this effect results in wastage of energy.

Important Questions on Electric Current and Its Effects

HARD
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE ASSESSMENT>Q 3
Why don't we use a fuse in circuits containing electrical cells?