The table below shows the values of the resistance, capacitive reactance and inductive reactance for five RCL circuits. In which circuit will the voltage lead the current? Resistance Capacitive reactance Inductive reactance 30 Ω 50 Ω 120 Ω 150 Ω 212 Ω (2) (b) (c) (d) (e) 219 Ω 288 Ω 58 Ω 79 Ω 314 Ω 180 Ω 244 Ω 18 Ω 212 Ω 78 Ω

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Chapter7: Alternating Current, Power Distribution, And Voltage Systems
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How would you solve this question? How do you know when the voltage will lead the current and vice versa? Do we need to use a phasor diagram for this?

The table below shows the values of the resistance, capacitive reactance and inductive
reactance for five RCL circuits. In which circuit will the voltage lead the current?
Resistance
Capacitive reactance
Inductive reactance
(2)
(b)
(c)
120 Ω
(d) 150 Ω
(e)
212 Ω
30 Ω
50 Ω
219 Ω
288 Ω
58 Ω
79 Ω
314 Ω
180 Ω
244 Ω
18 Ω
212 Ω
78 Ω
Transcribed Image Text:The table below shows the values of the resistance, capacitive reactance and inductive reactance for five RCL circuits. In which circuit will the voltage lead the current? Resistance Capacitive reactance Inductive reactance (2) (b) (c) 120 Ω (d) 150 Ω (e) 212 Ω 30 Ω 50 Ω 219 Ω 288 Ω 58 Ω 79 Ω 314 Ω 180 Ω 244 Ω 18 Ω 212 Ω 78 Ω
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