1) n a circuit, true power is 800 watts and apparent power is 1000 VAR

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1) n a circuit, true power is 800 watts and apparent power is 1000 VAR. What is the power factor?

2) A.0.6

3) B.1.25

4) C.0.8

5) D.0.85

1 points  

QUESTION 5

1. Q factor of the circuit is _______ to the power factor of the circuit.
2. A.Inverse to 
3. B.Equal to 
4. C.Greater than
5. D.Not related

1 points  

QUESTION 6

1. Which of the following device has poor or low power factor?
2. A.Computers
3. B.Synchronous Motor
4. C.Electric Furnace
5. D.Filament Bulb

1 points  

QUESTION 7

1. Power factor nearer to Zero is considered to be a good power factor.
2.  True
3.  False

1 points  

QUESTION 8

1. Inductors motors generally operate with leading power factor.
2.  True
3.  False

1 points  

QUESTION 9

1. Admittance is the reciprocal of ________
2. A.Reactance
3. B.Susceptance
4. C.Conductance
5. D.Impedance

1 points  

QUESTION 10

1. Find the power factor for the circuit where X_L = 200 Ω and Z = 350 Ω. Write 2 digits after decimal point.

2 points  

QUESTION 11

1. Find the capacitance (in µF)that has a reactive power of 50 var when connected across a 120 V 60 Hz source.