Exercise: Power Electronics

Questions for: Power Electronics

Which of these devices have four layers?
A:
UJT
B:
SCR
C:
TRIAC
D:
SCR and TRIAC
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
A capacitor C farads is charged to a voltage V. It discharges through a thyristor, a diode and an inductance L. The peak current in the circuit is
A:
VCL
B:
C:
D:
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️

Assertion (A): McMurray Bredford half bridge inverter uses complementary commutation

Reason (R): Three phase inverter can have two modes of operation.

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
No answer description is available. Let's discuss.
📖
📝
💬
👁️
In a power diode the reverse recovery time is the time from the instant the forward current is zero to the instant when reverse recovery current has decayed to
A:
50% of peak reverse current
B:
25% of peak reverse current
C:
10% of peak reverse current
D:
zero value
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️

Assertion (A): Chopper always requires forced commutation

Reason (R): Morgan chopper uses a saturable reactor.

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
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz