SI Units

वोल्ट

परिभाषा

विद्युत विभवांतर की SI इकाई, एक कूलॉम आवेश पर एक जूल ऊर्जा के रूप में परिभाषित (1 V = 1 J/C)।

व्याख्या

Named after Alessandro Volta, inventor of the electrochemical battery. A standard AA battery provides 1.5 V; a household outlet delivers 120 V (US) or 230 V (Europe); a lightning bolt can reach 300 million volts. Voltage drives current through a circuit — doubling voltage doubles current if resistance stays constant (Ohm's law: V = IR).

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