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Power Electronics

Q1: A thyristor has maximum allowable junction temperature of 110° C and the ambient temperature is 40°C, If the maximum internal power dissipation is 50 W, the thermal resistance is

A 2° C/W

B 1.4° C/W

C 0.7°C/W

D 2.2° C/W

ANS:B - 1.4° C/W

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