Category: NCERT Exemplar

NCERT Exemplar books issued by CBSE.

Discussion Forum Latest Questions

Sonal Chauhan

The safety fuse wire used in household electrical appliances is made of a metal with a low melting point. This characteristic allows the fuse to melt quickly and break the circuit when excessive current flows, thereby protecting the appliances and ...

Rajshekhar

The current flowing through a conductor connected to a 110-volt source can be calculated using Ohm’s law. Ohm’s law states that current (I) equals voltage (V) divided by resistance (R). Here, with a resistance of 440 ohms and a voltage ...