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Electronics and Communication Engineering - Power Electronics

Exercise : Power Electronics - Section 6
11.
In a series inverter
the commutating elements carry full load current
the commutating elements carry upto 50% of load current
the commutating elements do not carry load current
any of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
A NAND gate has 3 inputs and one output. The number of thyristors required for this gate are
1
2
3
3 or 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Which of these devices is used in relaxation oscillator?
UJT
SCR
DIAC
TRIAC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
In auxiliary commutated chopper fed by voltage V and having L and C commutating elements, the peak value of capacitor current is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
In a single phase semiconverter feeding a highly inductive load, the load current is
sinusoidal
nearly constant
absolutely constant
rectangular
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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