Make the idea your own
- 1Read the inputs and predict what will change.
- 2Change one parameter while keeping the other fixed.
- 3Explain the result using the diagram and the live values.
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Class 10 · Physics
Ohm’s law
Interactive explanation Gamified quiz, feedback & rewards
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NCERT chapter connection · Learning goals & preparation
By the end, you can…
- Explain V = IR
- Change one input at a time and predict its effect before checking the model.
- Apply the relationship in a quiz and explain the reasoning behind your answer.
Useful preparation: Units, measurement and proportional reasoning. Suggested previous stop: Bend a light ray.
Science · Electricity
NCERT Science · reprint 2025–26. This activity explores part of the chapter; it does not replace the textbook. Open official NCERT reference ↗
Interactive exploration · Class 10
Ohm’s law
Class 10
CLASS 10 · CONCEPT QUEST
Turn understanding into a small adventureOhm’s law
Discover the rule, predict what happens, then put the idea to work.
DiscoverFind the idea→PredictThink it through→ApplyMake it click
3 rounds · no timer · up to 100 XP for your best result
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The relationshipV = IR
Build a working circuit
Add the source and an ohmic resistor, then close the switch. Adjust the circuit to carry 0.5 A. This ideal model holds temperature constant.
Source missingResistor missing0.00 ASwitch open
Mission: build a closed circuit with a current of 0.5 A.
Practice freely here. Your quiz stars are earned in the concept quest.
Notice the pattern
Electrical power transferred to the resistor is P = VI = V²/R.