GATE PH topic:electronics PYQs & Answers — Page 4

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Questions 31–40 of 40. Imported answers require independent review unless marked reviewed.

Topic practice 40 questionsPage 4 of 4

The logic expression

can be simplified to

Your answerChoose one option.

A XOR C

A AND

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In a 2-to-1 multiplexer as shown below, the output X = A₀ if C = 0, and X = A₁ if C = 1. Which one of the following is the correct implementation of this multiplexer?

Your answerChoose one option.

Diagram for Physics question 13 (figure 2)

Diagram for Physics question 13 (figure 3)

Diagram for Physics question 13 (figure 4)

Diagram for Physics question 13 (figure 5)

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For an operational amplifier (ideal) circuit shown below,

and

, the value of

is ________V (up to one decimal place).

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A p-doped semiconductor slab carries a current

mA in a magnetic field

T as shown. One measures

mV and

mV. The mobility of holes in the semiconductor is ________ m

(up to two decimal places).

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An n-channel FET having Gate-Source switch-off voltage

is used to invert a 0–5 V square-wave signal as shown.

The maximum allowed value of R would be ______ kΩ (up to two decimal places).

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The best resolution that a 7 bit A/D converter with 5 V full scale can achieve is ________ mV. (up to two decimal places).

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In the figure given below, the input to the primary of the transformer is a voltage varying sinusoidally with time. The resistor R is connected to the centre tap of the secondary. Which one of the following plots represents the voltage across the resistor R as a function of time?