One ampere - Flow of one coulomb charge in 1s, One volt - 1joule of workdone to move a charge of 1 coulomb, Ohm's law - Current is directly proportional to the potential difference, Rheostat - Variable resistor, Ammeter - connected in series in the circuit, Voltmeter - connected parallel in the circuit, Joule's law of heating - I2RT, Power - Rate of doing work, 1kWh - 3.6*106Joule, One watt - Power consumed to carry 1A current across 1V potential difference,

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