In an inductive load, the current ________ the voltage.

Prepare effectively for the ETCP Electrical Exam. Explore flashcards, multiple-choice questions, and detailed explanations to ace your certification with confidence!

In an inductive load, the current lags the voltage due to the nature of how inductors operate in an electrical circuit. An inductor stores energy in a magnetic field when electrical current flows through it, and this storage affects the phase relationship between voltage and current.

When an alternating current (AC) passes through an inductor, the voltage across the inductor reaches its maximum value before the current does. This results in a phase difference where the current waveform appears to lag behind the voltage waveform. The amount of lag can vary with frequency and the inductance value, but the characteristic behavior of inductors inherently causes this lagging relationship.

Understanding this lag is crucial for proper circuit analysis and design, particularly in ensuring that power factor correction is applied where necessary to improve efficiency in AC systems. The other answer choices do not accurately describe this fundamental behavior of inductive loads. The phrase "in phase" would suggest the voltage and current reach their peak values simultaneously, while "leads" would imply that the current reaches its peak before the voltage, which is the opposite of what happens in inductive circuits. "Fluctuates" neither accurately describes the consistent phase relationship in an inductive load nor refers specifically to the phase difference.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy