Electrical Engineering
GATE EE topic:electrical-power PYQs
Build your understanding with focused practice from past exam papers.
Questions 651–660 of 715. Imported answers require independent review unless marked reviewed.
Question 33
Open questionEE-2MCQ2 marksNeeds review
A 220 V, 10 kW, 900 rpm separately excited DC motor has an armature resistance
. When the motor operates at rated speed and with rated terminal voltage, the electromagnetic torque developed by the motor is 70 Nm. Neglecting the rotational loss of the machine, the current drawn by the motor from the 220 V supply isYour answerChoose one option.
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Open questionEEMCQ2 marksNeeds review
The load shown in the figure is supplied by a 400 V (line-to-line), 3-phase source (RYB sequence). The load is balanced and inductive, drawing 3464 VA. When the switch S is in position N, the three watt-meters
,
and
read 577.35 W each. If the switch is moved to position Y, the readings of the watt-meters in watts will be: 
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Open questionEE-2MCQ2 marksNeeds review
The root locus of the feedback control system having the characteristic equation
where
, enters into the real axis atYour answerChoose one option.
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Open questionEEMCQ2 marksNeeds review
The approximate transfer characteristic for the circuit shown below with an ideal operational amplifier and diode will be
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Open questionEE-2MCQ2 marksNeeds review
The range of
for which all the roots of the equation
are in the left half of the complex
-plane isYour answerChoose one option.
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The output expression for the Karnaugh map shown below is
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Which of the following systems has maximum peak overshoot due to a unit step input?
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Open questionEEMCQ2 marksNeeds review
The logical gate implemented using the circuit shown below where, V₁ and V₂ are inputs (with 0 V as digital 0 and 5 V as digital 1) and Vₒᵤₜ is the output, is
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Open questionEE-2MCQ2 marksNeeds review
For the circuit shown in the figure below, it is given that
. The transistor has
and
when the B-E junction is forward biased. 
For this circuit, the value of
isYour answerChoose one option.
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Open questionEEMCQ2 marksNeeds review
The input voltage V_DC of the buck-boost converter shown below varies from 32 V to 72 V. Assume that all components are ideal, inductor current is continuous, and output voltage is ripple free. The range of duty ratio D of the converter for which the magnitude of the steady-state output voltage remains constant at 48 V is
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