Engine_2014 : Electricity - 1141/2299
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| Incandescent lamps are classified according to the shape of the bulb and the type of service, as well as the size and style of the base. How are incandescent lamps rated? |
| A) operating resistance |
| B) operating frequency and impedance |
| C) operating voltage and wattage |
| D) operating reactance |
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