GATE IN AC Circuits PYQs & Answers

Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.

Questions 1–6 of 6. Imported answers require independent review unless marked reviewed.

Topic practice 6 questionsPage 1 of 1

The RLC filter shown below acts as a _______.

Diagram for Instrumentation Engineering question 16

Your answerChoose one option.

low pass filter

high pass filter

band pass filter

band stop filter

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In a series

circuit shown in the figure, the current through the resistor lags the AC source voltage by 45°. Let

Ω and

Diagram for Instrumentation Engineering question 33

The frequency of the source is ____ Hz. (rounded off to the nearest integer)

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Three parallel admittances

, and

connected in parallel with a voltage source

, draw a total current

from the source. The currents flowing through each of these admittances are

, and

, respectively. Let

. The phase relation between

and

Your answerChoose one option.

leads

lags

leads

lags

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Consider an AC bridge shown in the figure with

, and a detector

. The source voltage is

. At the bridge balance condition, the frequency of the excitation source

is ________ kHz (rounded off to two decimal places).

Diagram for Instrumentation Engineering question 56

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A series RLC circuit resonates at 750 rad/s for inductance L = 20 mH and resistance R = 10

. The uncertainties in the measurement of L and R are 0.8 mH and 0.3

, respectively. The percentage uncertainty in the measurement of quality factor is ______% (rounded off to one decimal place).

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For the circuit shown in the figure, the active power supplied by the source is ______ W (rounded off to one decimal place).

Diagram for Instrumentation Engineering question 65

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GATE IN AC Circuits PYQs

How to practice AC Circuits

Question 16

Question 33

Question 25

Question 56

Question 62

Question 65