Electronics and Communication Engineering
GATE ECE year:2025 PYQs
Build your understanding with focused practice from past exam papers.
Questions 61–65 of 65. Imported answers require independent review unless marked reviewed.
Question 61
Open questionECNAT2 marksNeeds review
The diode in the circuit shown below is ideal. The input voltage (in Volts) is given by
, where time
is in seconds.The time duration (in ms, rounded off to two decimal places) for which the diode is forward biased during one period of the input is __________.
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In the circuit shown below, the AND gate has a propagation delay of 1 ns. The edge-triggered flip-flops have a set-up time of 2 ns, a hold-time of 0 ns, and a clock-to-Q delay of 2 ns.
The maximum clock frequency (in MHz, rounded off to the nearest integer) such that there are no setup violations is __________.
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An ideal p-n junction germanium diode has a reverse saturation current of 10
A at 300 K.The voltage (in Volts, rounded off to two decimal places) to be applied across the junction to get a forward bias current of 100 mA at 300 K is ____.
(Consider the Boltzman constant
J/K and the charge of an electron
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Open questionECNAT2 marksNeeds review
A 50
lossless transmission line is terminated with a load
of
.If the average incident power on the line is 10 mW, then the average power delivered to the load (in mW, rounded off to one decimal place) is __________.
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Open questionECNAT2 marksNeeds review
Two resistors are connected in a circuit loop of area 5 m
, as shown in the figure below. The circuit loop is placed on the x-y plane.When a time-varying magnetic flux, with flux-density
(in Tesla), is applied along the positive z-axis, the magnitude of current
(in Amperes, rounded off to two decimal places) in the loop is ________.
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