Rating | Solver | Clue |
---|---|---|
AMMETER | Instrument for measuring electric current | |
WATTMETER | An instrument for measuring power in watts, -- much used in measuring the energy of an electric current. | |
GALVANOMETER | An instrument or apparatus for measuring the intensity of an electric current, usually by the deflection of a magnetic needle. | |
THERMOELECTROMETER | An instrument for measuring the strength of an electric current in the heat which it produces, or for determining the heat developed by such a current. |