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A thyristor carrying a maximum on-state current of 3000 A is designed so that the maximum current density is 200 A/cm2

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A thyristor carrying a maximum on-state current of 3000 A is designed so that the maximum current density is 200 A/cm2. The cathode and gate structures both occupy the same side of the silicon wafer. The cathode occupies 65% of the area and the gate occupies 35%. Estimate the total silicon wafer area required for this thyristor and express the area as the diameter of an equivalent circular area