Which coil type is energized when the input signal does not reach the coil, and is de-energized when the input does reach the coil?

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Multiple Choice

Which coil type is energized when the input signal does not reach the coil, and is de-energized when the input does reach the coil?

Explanation:
The situation tests how coil energization can be inverted relative to the input signal. An inverse non-latching coil is energized when the input is absent and de-energized when the input is present, exactly matching the described condition. Because it’s non-latching, it returns to the de-energized state as soon as the input signal changes. In contrast, a standard non-latching coil energizes with the input present; a set & hold is a latching arrangement that stays energized until a reset occurs; a reset coil is used to release a latched state.

The situation tests how coil energization can be inverted relative to the input signal. An inverse non-latching coil is energized when the input is absent and de-energized when the input is present, exactly matching the described condition. Because it’s non-latching, it returns to the de-energized state as soon as the input signal changes. In contrast, a standard non-latching coil energizes with the input present; a set & hold is a latching arrangement that stays energized until a reset occurs; a reset coil is used to release a latched state.

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