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c. In cold regions in winter, the rocks crack due to anomalous expansion of water.
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Explain the following temperature versus time graph.
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While deciding the unit for heat, which temperatures interval is chosen? Why?
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1. Fill in the blanks and rewrite the sentence.
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11. Identify the figures and explain their use.
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6. How does the short circuit form? What is its effect?
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4. Explain the difference : AC generator and DC generator.
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