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EET1033 H-6 Hialeah June 2018

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

The current-limiting property of the inductor is called ____.
a.
reactance
c.
resistance
b.
voltage
d.
capacitance
 

 2. 

Reactance is symbolized by the letter ____.
a.
R
c.
X
b.
L
d.
Z
 

 3. 

Inductive reactance can be computed when the values of inductance and frequency are known and is measured in ____.
a.
watts
c.
vectors
b.
ohms
d.
amperage
 

 4. 

If two inductors, with values of 2 H and 3 H, are connected in parallel, the total inductance would equal ____ H.
a.
2
c.
1
b.
1.2
d.
.83
 

 5. 

In a pure inductive circuit, the current lags the voltage by ____ degrees.
a.
270
c.
90
b.
180
d.
0
 

 6. 

Although essentially no true power is being used, an electrical instrument called VARs is used to measure the ____ in a pure inductive circuit.
a.
capacitance
c.
amperage
b.
resistance
d.
reactive power
 

 7. 

the symbol for impedance is the letter ____.
a.
Z
c.
L
b.
H
d.
R
 

 8. 

In AC circuit an inductor with L= ! H and F= 60 Hz calculate Xl in ohms
a.
280
b.
377
c.
400
d.
128
 

Completion
Complete each statement.
 

 9. 

____________________ is one of the primary types of loads in alternating current circuits because of the continually changing magnetic fields.
 

 

 10. 

If an inductor with an induced voltage of 106 V is connected to a 120-volt AC line, there will be ____________________ volts to push current through the wire resistance of the coil.
 

 

 11. 

When inductors are connected in ____________________, the total inductance of the circuit equals the sum of the inductances of all the inductors.
 

 

 12. 

The total inductive reactance of inductors connected in ____________________ equals the sum of the inductive reactances for all the inductors.
 

 

 13. 

In a parallel circuit, the reciprocal of the total ____________________ is equal to the sum of the reciprocals of all the inductors.
 

 

 14. 

If three inductors, all with a value of 3 H, are connected in parallel, the total inductance of the circuit would be ____________________ H.
 

 

 15. 

VARs is an abbreviation for ______________________________.
 

 



 
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