True or False: DC circuits have no lead or lag in current versus voltage.

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In a direct current (DC) circuit, the relationship between voltage and current remains straightforward, as both current and voltage are steady and do not vary with time. In such circuits, both elements reach their maximum level simultaneously, meaning there is no phase difference introduced between them, which is referred to as lead or lag.

The concept of lead and lag comes into play primarily in alternating current (AC) circuits where the voltage and current can vary over time, leading to situations where they can be out of phase with one another due to reactive components like inductors and capacitors. In contrast, since DC circuits consist only of resistive elements, they do not have this phase difference. This characteristic of DC circuits is what makes the assertion true. Thus, it accurately reflects the fundamental nature of DC electricity and how it operates in circuits.

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