Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Pav x ( jc + cs + sA) =

A. Maximum specified temperature
B. Energy lost
C. Difference in temperature between junction & ambient
D. Sum of junction & ambient temperature
Answer» D. Sum of junction & ambient temperature
2.

The sink to ambient thermal resistance of SCR sA

A. depends on the flatness of the device
B. depends on the length of the device
C. depends on the current carrying capabilities
D. is independent on thyristor configuration
Answer» E.
3.

The total thermal resistance between junction and ambient jA is 10 C/W. jc is 2 C/W. cs is 4 C/W. sA = ?

A. 4 C/W
B. 2 C/W
C. 10 C/W
D. 16 C/W
Answer» B. 2 C/W
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