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Electronics and Communication Engineering - Power Electronics

Exercise : Power Electronics - Section 4
1.
A chopper cannot be line commutated.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Natural commutation can be used in :
DC circuits only
AC circuits only
both AC and DC circuits
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In a thyristor the gate lead is connected to the n layer near the p layer to which anode is connected.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A single phase half wave rectifier circuit has a free wheeling diode. The free wheeling diode will conduct only if
load is purely resistive
load is purely inductive
load is combination of R and L
load is purely inductive or combination of R and L
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
McMurray Bedford full bridge inverter uses
natural commutation
auxiliary commutation
complementary commutation
any of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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