Determine the following values for the circuit given in
question 8:
a. The total circuit impedance
b. The total resistance of the circuit
Determine the following values for the circuit given in
question 8:
a. The reactive power component for the coil
b. The reactive power component for the entire series
circuit
c. The true power in watts taken by the coil
d. The true power in watts taken by the noninductive 3-Ω
resistance
Draw a vector diagram for the circuit in question 8. Select
convenient scales for the current and voltage. Label all vectors properly.
27:
The temperature of a noninductive heater unit is controlled
by a reactor. The heater unit and the reactor are connected in series across a
250-V, 60-Hz source. The voltage across the heater unit is 200 V. The voltage
across the reactor is 100 V. The current in the circuit is 10 A.
a. Construct a vector diagram for the series circuit.
b. Determine
(1) the power factor of the series circuit.
(2) the power factor of the reactor.
(3) the impedance of the reactor.
(4) the effective resistance of the reactor.
(5) the inductive reactance of the reactor.