Describe what power factor is and what a poor power factor means.
What will be an ideal response?
Measurement of how effectively the electrical energy taken from the electrical power source is used to perform work, to the portion of the electrical energy that is stored and returned to the power supply unused. A poor power factor means that the productive current carrying capacity of the premises electrical distribution system is reduced, because a portion of the capacity is used carrying unproductive electrical currents.
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Three holes are drilled on a horizontal line in a housing. The center distance between the first hole and the second hole is 201.25 millimeters, and center distance between the first hole and the third hole is 285.15 millimeters. What is the distance between the second hole and the third hole?
What will be an ideal response?
Roundworm infections are common in the _____ of dogs.
Fill in the blank(s) with the appropriate word(s).
The triac is a member of the thyristor family, which means that it has only two states of operation, on and off.
Answer the following statement true (T) or false (F)
Write the differential equations for t>0 for i_L and v_3 in Figure P5.21. How are they related?
