SI Units

कूलॉम

परिभाषा

विद्युत आवेश की SI इकाई, एक एम्पियर धारा द्वारा एक सेकंड में स्थानांतरित आवेश (1 C = 1 A·s)।

व्याख्या

Named after Charles-Augustin de Coulomb. A standard AA battery holds roughly 9,000–10,000 coulombs of charge. The elementary charge of one electron is 1.602×10⁻¹⁹ coulombs — meaning one coulomb represents about 6.24 billion billion electrons. Phone battery capacity is measured in milliamp-hours (mAh); a 3,000 mAh battery stores 3 A × 3,600 s = 10,800 C.

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