1
GATE EE 2025
MCQ (Single Correct Answer)
+2
-0.67

An ideal sinusoidal voltage source $v(t)=230 \sqrt{2} \sin (2 \pi \times 50 t) \vee$ feeds an ideal inductor $L$ through an ideal SCR with firing angle $\alpha=0^{\circ}$. If $L=100 \mathrm{mH}$, then the peak of the inductor current, in ampere, is closest to

GATE EE 2025 Power Electronics - Ac Voltage Controllers Question 2 English
A
20.71
B
0
C
10.35
D
7.32
2
GATE EE 2025
MCQ (Single Correct Answer)
+2
-0.67

In the following circuit, the average voltage

$$ V_0=400\left(1+\frac{\cos \alpha}{3}\right) V $$

where $\alpha$ is the firing angle. If the power dissipated in the resistor is 64 W , then the closest value of $\alpha$ in degrees is

GATE EE 2025 Power Electronics - Ac Voltage Controllers Question 1 English
A
35.9
B
46.4
C
41.4
D
0
3
GATE EE 2014 Set 2
MCQ (Single Correct Answer)
+2
-0.6
A single-phase $$SCR$$ based $$ac$$ regulator is feeding power to a load consisting of $$5\,\,\Omega $$ resistance and $$16$$ $$mH$$ inductance. The input supply is $$230$$ $$V,$$ $$50$$ $$Hz$$ $$ac.$$ The maximum firing angle at which the voltage across the device becomes zero all throughout and the $$rms$$ value of current through $$SCR,$$ under this operating condition, are
A
$${30^0}$$ and $$46$$ $$A$$
B
$${30^0}$$ and $$23$$ $$A$$
C
$${45^0}$$ and $$23$$ $$A$$
D
$${45^0}$$ and $$32$$ $$A$$
4
GATE EE 2004
MCQ (Single Correct Answer)
+2
-0.6
The triac circuit shown in figure controls the $$ac$$ output power to the resistive load. The peak power dissipation in the load is GATE EE 2004 Power Electronics - Ac Voltage Controllers Question 7 English
A
$$3968$$ $$W$$
B
$$5290$$ $$W$$
C
$$7935$$ $$W$$
D
$$10580$$ $$W$$
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