Electronics and Communication Engineering - Power Electronics

11. 

Ripple factor RF and form factor FF are related as

A. RF = FF2 - 1
B. RF = (FF2 - 1)0.5
C. RF = FF - 1
D. RF = (FF - 1)0.5

Answer: Option B

Explanation:

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12. 

Modified Mc Murray full bridge inverter uses

A. 4 thyristors and 2 diodes
B. 4 thyristors and 4 diodes
C. 8 thyristors and 4 diodes
D. 8 thyristors and 8 diodes

Answer: Option D

Explanation:

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13. 

Assertion (A): Gate triggering is the most commonly used method for triggering of an SCR.

Reason (R): Even a small gate current is sufficient to turn on an SCR.

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: Option A

Explanation:

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