Delmars Unit 18 Resistive-Inductive Parallel Circuits
In a parallel circuit, ET = 240 V, R = 47 kΩ, and XL = 50 kΩ. What is the reactive power? 1.15 VARs 1.23 VARs 0.89 VARs 0.54 VARs
1.15 VARs
In a parallel circuit, ET = 240 V, R = 5.6 kΩ, and XL = 3.6 kΩ. What is P? 9 W 10.28 W 8.65 W 6.26 W
10.28 W
In a parallel circuit, ET = 120 V, R = 8.2 kΩ, and XL = 10 kΩ. What is IL? 6.59 mA 14.63 mA 9.28 mA 12 mA
12 mA
In a parallel circuit, ET = 240 V, R = 400 Ω, and XL = 300 Ω. What is P? 82.29 W 144 W 122 W 115.2 W
144 W
In a parallel circuit, ET = 120 V, R = 1500 Ω, and XL = 1000 Ω. What is the apparent power? 24 VA 34.40 VA 29.6 VA 17.31 VA
17.31 VA
In a parallel circuit, ET = 120 V, R = 470 Ω, and XL = 500 Ω. What is the reactive power? 20.98 VARs 28.8 VARs 39.64 VARs 34.85 VARs
28.8 VARs
In a parallel circuit, ET = 120 V, R = 30 Ω, and XL = 40 Ω. What is IL? 2.4 A 4 A 3 A 1.71 A
3 A
In a parallel circuit, ET = 120 V, R = 3.3 kΩ, and XL = 4 kΩ. What is IR? 16.44 mA 23.14 mA 36.36 mA 30 mA
36.36 mA
In a parallel circuit, ET = 120 V, R = 30 Ω, and XL = 40 Ω. What is IR? 1.71 A 3 A 2.4 A 4 A
4 A
In a parallel circuit, ET = 208 V, R = 39 kΩ, and XL = 24 kΩ. What is the power factor? 85% 31.61% 52.4% 95%
52.4%
In a parallel circuit, ET = 277 V, R = 56 kΩ, and XL = 68 kΩ. What is the phase angle (angle theta)? 34.56° 90° 39.47° 50.53°
39.47°
In a parallel circuit, the current flow through the inductor will be _____. less than 90° out of phase with the resistor current lagging in phase 180° out of phase 90° out of phase with the voltage
90° out of phase with the voltage
In a parallel circuit, ET = 208 V, R = 33 kΩ, and XL = 82 kΩ. What is the apparent power? 0.31 VA 1.41 VA 1.22 VA 0.14 VA
1.41 VA
In a parallel circuit, ET = 240 V, R = 30 Ω, and XL = 40 Ω. What is IT? 3.43 A 10 A 8.43 A 6 A
10 A
In a parallel circuit, ET = 240 V, R = 27 kΩ, and XL = 47 kΩ. What is IT? 3.24 mA 50.11 mA 10.25 mA 18.89 mA
10.25 mA
In a parallel circuit, ET = 277 V, R = 33 kΩ, and XL = 42 kΩ. What is Z? 13.41 kΩ 38.48 kΩ 25.95 kΩ 22.48 kΩ
25.95 kΩ
In a parallel circuit, ET = 240 V, R = 330 Ω, and XL = 420 Ω. What is Z? 534.13 Ω 170 Ω 259.62 Ω 120 Ω
259.62 Ω
In a parallel circuit, ET = 120 V, R = 30 Ω, and XL = 60 Ω. What is the phase angle (angle theta)? 26.51° 13.49°
26.51
In a parallel circuit, ET = 240 V, R = 30 Ω, and XL = 40 Ω. What is the power factor? 80% 33% 90% 75%
80%
In a parallel circuit, the supply voltage is 120 V, 60 Hz. The resistance is 30 Ω and the inductive reactance is 40 Ω. What is the value of the inductor? 0.233 H 0.363 H 0.106 H 0.196 H
0.106 H
In a parallel circuit, the voltage across the resistor and the voltage across the inductor are _____. in phase less than 90° out of phase with the resistor voltage leading less than 90° out of phase with the resistor voltage lagging 180° out of phase
in phase