A heater coil connected to a 220v ac line has a resistance
1. A heater coil connected to a 220V ac line has a resistance of 42.1Ohm. What is the average power used?
2. What is the maximum value of the instantaneous power?
3. What is the minimum value of the instantaneous power?
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A heater coil connected to a 220V ac line has a resistance of 42.1Ohm. What is the average power used, What is the maximum value of the instantaneous power
The power factor of a load connected to a 120-V 60-Hz source is raised from 0.866 lagging to 0.966 leading by connecting a 110.5-?F capacitor in parallel with the load. Determine the load current I1 and the circuit current IT.
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An additional variable power factor load is to be added to the factory. The new load will add 320kW to the factory. The power factor of the variable factor load is to be adjusted so that the overall power factor of the factory is 0.96 lagging.
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