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OCR: MEASURING ELECTRICITY HE FORCE that pushes charge an electric current (the flow of around circuit is called the electric charge) moves around electromotive force (emf) I+ circuit measured ir amperes measured units called volts V (amps) The electric current using voltmeter The rate at which measured using an ammeter Ammeter An ammeter measures the rate a w bich charge flows. placed series circuit AMPERE Voltmeter voltmeter measures the energy of a charge. placed parallel circuit ELECTRICITY DHM'S LAW TERMS measure