Instrumentation Engineering
GATE IN discipline:electrical-electronics-and-instrumentation PYQs
Build your understanding with focused practice from past exam papers.
Questions 221–230 of 650. Imported answers require independent review unless marked reviewed.
Question 26
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The opamp in the circuit shown is ideal, except that it has an input bias current of 1 nA and an input offset voltage of 10 μV. The resulting worst-case output voltage will be ±_____ μV (rounded off to the nearest integer).
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The force per unit length between two infinitely long parallel conductors, with a gap of 2 cm between them is 10 μN/m. When the gap is doubled, the force per unit length will be __________ μN/m (rounded off to one decimal place).
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Consider the discrete-time signal
,where
.The smallest
for which
is ______.Log in to check the answer
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Let
, where
is a continuous-time period signal with fundamental period of 100 s. The fundamental period of
is _____ s (rounded off to the nearest integer).Log in to check the answer
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When the bridge given below is balanced, the current through the resistor Rₐ is _____ mA (rounded off to two decimal places).
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In the circuit given, the Thevenin equivalent resistance Rₜₕ across the terminals ‘a’ and ‘b’ is __________Ω (rounded off to one decimal place).
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is a discrete random variable which takes values 0, 1 and 2. The probabilities are
and
. With
denoting the expectation operator, the value of
is _____ (rounded off to one decimal place).Log in to check the answer
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The diode in the circuit is ideal. The current source
mA. The magnitude of the average current flowing through the resistor R is _____ mA (rounded off to two decimal places).
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The full-scale range of the wattmeter shown in the circuit is 100 W. The turns ratio of the individual transformers are indicated in the figure. The RMS value of the ac source voltage
is 200 V. The wattmeter reading will be ______ W (rounded off to the nearest integer).
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The no-load steady-state output voltage of a DC shunt generator is 200 V when it is driven in the clockwise direction at its rated speed. If the same machine is driven at the rated speed but in the opposite direction, the steady-state output voltage will be _______V (rounded off to the nearest integer).
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