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Chapter Intro
This chapter develops the numerical side of Class 10 Physics. Students learn how current flows in a circuit, how voltage and resistance are related, and how to calculate electrical energy and power in domestic use.
Board exams often ask Ohm's law, resistor combinations, heating effect, electric power, and electricity-bill numericals from this chapter.
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Practice and Revision
Test your understanding with quick chapter-level practice.
Chapter Q&A
Why are household appliances connected in parallel?
Because each appliance gets the same supply voltage and can work independently without affecting the others.
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