Chapter 3 • Class 10 Physics
Electricity
Electricity — Class 10 Physics (NCERT) notes on current, Ohm's law, resistance, resistivity, series & parallel, Joule heating and power, with solved numericals and tests.
Study by topic — one focused page each
1
Electric Current, Potential & Ohm's Law
Electric charge in motion is the heart of electricity. When tiny charged particles (electrons) drift through a conductor like copper wire, we say a cu…
Start this topic → 2Resistance, Resistivity & Combinations
Why do some wires resist current more than others? The resistance of a conductor depends on four things, and understanding them helps us design everyt…
Start this topic → 3Heating Effect & Electric Power
Why does a wire get hot when current flows? As electrons drift through a resistor they collide with the atoms of the conductor, transferring energy th…
Start this topic →Chapter-wide tests
Online Test
18 MCQ • 15 min
IMO / Olympiad Practice
Olympiad level • 15 min
📝 Full Chapter Test (Download & Print)
40 marks • 90 min • with answer key