NCERT ScienceNCERT Science: Electricity and Magnetism
Original CAPF digest of electricity and magnetism: current, voltage, resistance, Ohm's law, circuits, the heating effect, the magnetic effect, induction, motors and generators
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NCERT ScienceNCERT Science: Natural Resources and the Biogeochemical Cycles
Original CAPF digest of natural resources: air, water, soil, the water, carbon, oxygen and nitrogen cycles, fossil fuels, renewables and conservation
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