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What happens to the crater size if we increase the current keeping the pulse time constant?

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in Advanced Machining by (962k points)
What happens to the crater size if we increase the current keeping the pulse time constant?

(a) Increase

(b) Decrease

(c) Decrease and increase

(d) None of the mentioned

I had been asked this question by my school teacher while I was bunking the class.

I would like to ask this question from EDM-Material Removal Rate in chapter Thermal Processes of Advanced Machining

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Best answer
Correct answer is (a) Increase

The explanation is: By keeping pulse time constant and increasing current, crater size also increases.

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