Do you have a problem with the 60-year-old gauges in your classic muscle car? After over a half-century of faithful service, they may have finally bitten the dust. But it might be that new high-output ...

The current coil of wattmeter is connected in series with an ammeter and an inductive load. A voltmeter and the voltage circuit of the wattmeter are connected across a 400-Hz supply. The ammeter ...