Which of them are leading in capacitive circuit when connected to D.C:
Correct answer: D. None
- A. Current
- B. Voltage
- C. Resistance
- D. None
Explanation
In a capacitive circuit connected to DC, the capacitor initially allows current to pass as it charges up. During this charging phase, the current can be said to 'lead' the voltage because the current flows before the capacitor is fully charged and voltage stabilizes across it. However, once the capacitor is fully charged, no further current flows, and there is no leading or lagging between current and voltage.For option A, current initially flows but does not continuously lead. Option B is incorrect because the voltage eventually stabilizes and does not lead. Option C is irrelevant in the context of leading or lagging in a capacitive circuit with DC. Therefore, option D is correct, as neither current nor voltage leads in a fully charged capacitive circuit connected to DC.
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About Alternating Current
Alternating current varies periodically, so phase relationships become essential when current passes through a resistor, capacitor or inductor. The chapter distinguishes resistance from capacitive and inductive reactance, explains phase lead and lag, and connects changing electric and magnetic fields with the production and properties of electromagnetic waves.
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