1
GATE EE 2013
MCQ (Single Correct Answer)
+2
-0.6
In the figure shown below, the chopper feeds a resistive load from a battery source. $$MOSFET$$ $$Q$$ is switched at $$250$$ $$kHz,$$ with a duty ratio of $$0.4.$$ All elements of the circuit are assumed to be ideal. GATE EE 2013 Power Electronics - Choppers and Commutation Techniques Question 24 English

The PEAK-TO-PEAK source current ripple in $$Amps$$ is

A
$$0.96$$
B
$$0.144$$
C
$$0.192$$
D
$$0.288$$
2
GATE EE 2013
MCQ (Single Correct Answer)
+2
-0.6
In the figure shown below, the chopper feeds a resistive load from a battery source. $$MOSFET$$ $$Q$$ is switched at $$250$$ $$kHz,$$ with a duty ratio of $$0.4.$$ All elements of the circuit are assumed to be ideal. GATE EE 2013 Power Electronics - Choppers and Commutation Techniques Question 25 English

The average source current in Amps in steady-state is

A
$$3/2$$
B
$$5/3$$
C
$$5/2$$
D
$$15/4$$
3
GATE EE 2012
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown, an ideal switch $$S$$ is operated at $$100$$ $$kHz$$ with a duty ratio of $$50%$$. Given that $$\Delta {i_c}$$ is $$1.6$$ $$A$$ peak-to-peak and $${{\rm I}_0}$$ is $$5 A$$ $$dc,$$ the peak current in $$S$$ is GATE EE 2012 Power Electronics - Choppers and Commutation Techniques Question 26 English
A
$$6.6$$ $$A$$
B
$$5.0$$ $$A$$
C
$$5.8$$ $$A$$
D
$$4.2$$ $$A$$
4
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
A voltage commutated chopper circuit, operated at $$500Hz,$$ is shown below. If the maximum value of load current is $$10A,$$ then the maximum current through the main $$(M)$$ and auxiliary $$(A)$$ thyristors will be GATE EE 2011 Power Electronics - Choppers and Commutation Techniques Question 27 English
A
$${i_{M\max }} = 12\,A$$ and $$\,{i_{A\max }} = 10\,A$$
B
$${i_{M\max }} = 12\,A$$ and $$\,{i_{A\max }} = 2\,A$$
C
$${i_{M\max }} = 10\,A$$ and $$\,{i_{A\max }} = 12\,A$$
D
$${i_{M\max }} = 10\,A$$ and $$\,{i_{A\max }} = 8\,A$$
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