Question

Assertion (A): Typical value of thermal resistance from source to sink of an SCR is about 0.3° C/W

Reason (R): Heat sinks of thyristors are generally made of aluminium.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R correct but R is not correct explanation of A

c.

A is correct but R is wrong

d.

A is wrong but R is correct

Answer: (b).Both A and R correct but R is not correct explanation of A

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Q. Assertion (A): Typical value of thermal resistance from source to sink of an SCR is about 0.3° C/W Reason (R): Heat sinks of thyristors are generally made of aluminium.

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