Delmars Unit 22 Resistive-Capacitive Parallel Circuits
In an RC parallel circuit, ET = 240 V, R = 40 Ω, and XC = 30 Ω. What is IR? 6 A 4 A 4.8 A 3.42 A
6 A
In an RC parallel circuit, ET = 120 V, R = 40 Ω, and XC = 30 Ω. What is the power factor? 133% 60% 80% 100%
60%
In an RC parallel circuit, ET = 240 V, R = 40 Ω, and XC = 30 Ω. What is IC? 3.42 A 8 A 4.8 A 6 A
8 A
In an RC parallel circuit, ET = 240 V, R = 500 Ω, and XC = 470 Ω. What is the reactive power? 215.2 VARs 83.94 VARs 59.38 VARs 122.55 VARs
122.55 VARs
In an RC parallel circuit, ET = 240 V, R = 30 Ω, and XC = 60 Ω. What is the phase angle (angle theta)? 90° 30° 26.57° 63.43°
26.57°
In an RC parallel circuit, ET = 120 V, R = 3.6 kΩ, and XC = 5.6 kΩ. What is P? 5.57 W 6.16 W 7 W 4 W
4 W
In an RC parallel circuit, ET = 120 V, R = 300 Ω, and XC = 400 Ω. What is P? 20.57 W 48.8 W 36 W 58 W
48.8 W
In an RC parallel circuit, ET = 120 V, R = 47 kΩ, and XC = 27 kΩ. What is IT? 4.62 mA 5.13 mA 7.55 mA 6.44 mA
5.13 mA
In an RC parallel circuit, ET = 208 V, R = 68 kΩ, and XC = 56 kΩ. What is the phase angle (angle theta)? 39.47° 44.56° 40° 50.53°
50.53°
In an RC parallel circuit, the current flow through the capacitor will lead both the resistive current and applied voltage by _____. 360° 90° 60° 180°
90°
In an RC parallel circuit, ET = 120 V, R = 420 Ω, and XC = 330 Ω. What is Z? 534.13 Ω 230 Ω 140 Ω 259.62 Ω
259.62 Ω
In an RC parallel circuit, ET = 240 V, R = 10 kΩ, and XC = 8.2 kΩ. What is IC? 33.18 mA 44 mA 18.56 mA 29.27 mA
29.27 mA
In an RC parallel circuit, ET = 208 V, R = 42 kΩ, and XC = 47 kΩ. What is Z? 22.18 kΩ 19 kΩ 23.03 kΩ 31.32 kΩ
31.32 kΩ
In an RC parallel circuit, ET = 240 V, R = 4 kΩ, and XC = 3.3 kΩ. What is IR? 72.72 mA 46.28 mA 32.88 mA 60 mA
60 mA
In an RC parallel circuit, the supply voltage is 120 V, 60 Hz. The resistance is 40 Ω and the capacitive reactance is 30 Ω. What is the capacitance of the capacitor? 53.05 μF 88.42 μF 66.31 μF 37.89 μF
88.42 μF
In an RC parallel circuit, the amount of phase angle shift depends on the ratio of the amount of _____. capacitance to voltage VARs to volt-amperes resistance to capacitance watts to volt-amperes
resistance to capacitance
In an RC parallel circuit, ET = 480 V, R = 50 kΩ, and XC = 47 kΩ. What is the reactive power? 6.38 VARs 5.36 VARs 4.90 VARs 7.61 VARs
4.90 VARs
In an RC parallel circuit, ET = 120 V, R = 40 Ω, and XC = 30 Ω. What is IT? 6 A 7 A 5 A 8 A
5 A
In an RC parallel circuit, the voltage across the resistor and the voltage across the capacitor are _____. in phase less than 90° out of phase with the resistor voltage lagging 180° out of phase less than 90° out of phase with the resistor voltage leading
in phase
In an RC parallel circuit, ET = 277 V, R = 82 kΩ, and XC = 33 kΩ. What is the apparent power? 2.33 VA 2.93 VA 3.26 VA 2.51 VA
2.51 VA
In an RC parallel circuit, ET = 277 V, R = 24 kΩ, and XC = 39 kΩ. What is the power factor? 92.41% 10% 61.54% 85.17%
85.17%