Electronics and Communication Engineering - Power Electronics

16.

Assertion (A): A GTO can be turned on and turned off by gate pulses

Reason (R): A GTO can be turned off by negative gate pulse.

Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
In a half bridge inverter circuit fed by a battery of voltage V, the rms value of fundamental component of output voltage is
2 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
In a full bridge single phase inverter feeding RLC load
one thyristor and one diode conduct simultaneously
two thyristors conduct simultaneously
two thyristors or two diodes conduct simultaneously
four thyristors conduct simultaneously
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
It is possible to use a freewheeling diode in
single phase half wave controlled rectifier as well as in single phase full wave controlled rectifier (M - 2 connection)
single phase half wave controlled rectifier but not in single phase full wave controlled rectifier (M - 2 connection)
single phase full wave controlled rectifier (M - 2 connection) but not in single phase half wave controlled rectifier
all controlled rectifier circuits
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.

Assertion (A): When the anode current of an SCR starts increasing during turn on process, the anode cathode voltage drop starts decreasing.

Reason (R): During turn on the reverse biased junction in SCR breaksdown.

Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.