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What is a mark to space ratio?

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in Electric Drives by (99.8k points)
What is a mark to space ratio?

(a) Ton÷Toff

(b) Ton÷(Ton- Toff)

(c) Ton÷2×(Ton*Toff)

(d) Ton÷2×Toff

The question was asked in an international level competition.

My question is taken from Dynamics of Motor-Load Combination in division Dynamics of Electrical Drives of Electric Drives

1 Answer

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Right choice is (a) Ton÷Toff

The best I can explain: Mark to space is Ton÷Toff. It is the ratio of time for which the system is active and the time for which is inactive. It has no unit.

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