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Electronics
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A sinusoidal input voltage Vin of frequency ω is fed to the circuit shown in the figure, where C1 ≫ C2. If Vm is the peak value of the input voltage, then output voltage (Vout) is
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The low-pass active filter shown in the figure has a cut-off frequency of 2 kHz and a pass band gain of 1.5. The values of the resistors are
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The largest analog output voltage from a 6-bit Digital to Analog Converter (DAC) which produces 1.0 V output for a digital input of 010100, is

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Which one of the sets of values given below does not satisfy the Boolean relation R = PQ' (where, Q' denotes not Q)?

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In an n-p-n transistor, the leakage current consists of

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A bipolar junction transistor with one junction forward biased and either the collector or emitter open, operates in the

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The circuit shown in the figure can be used as a
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A field effect transistor is a

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In a typical n-p-n transistor, the doping concentrations in emitter, base and collector regions are CE, CB and CC respectively. These satisfy the relation,

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The simplest logic gate circuit corresponding to the Boolean expression, Y = P + PQ is

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In one of the following circuits, negative feedback does not operate for a negative input. Which one is it? The op-amps are running from ±15 V supplies.

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Calculate the collector voltage (VC) of the transistor circuit as shown in the figure.
[ Given, α = 0.96, lCBO = 20 μA, VBE = 0.3 V, RB = 100 k, VCC = +10 V and RC = 2.2 k ]
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In order to obtain a solution of the differential equation     involving voltages V(t) and V1, an operational amplifier (op-amp) circuit would require at least

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The tank circuit of a Hartley oscillator is shown in the figure. If M is the mutual inductance between the inductors, the oscillation frequency is
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An avalanche effect is observed in a diode when

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A piece of semiconducting material is introduced into a circuit. If the temperature of the material is raised, the circuit current will

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The voltage resolution of a 12-bit Digital to Analog Converter (DAC), whose output varies from -10 V to +10 V, is approximately

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For an intrinsic semiconductor, and are respectively, the effective masses of electrons and holes near the corresponding band edges. At a finite temperature, the position of the Fermi level

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Which of the following statements is correct for a common emitter amplifier circuit?

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Consider the following circuit:
Electronics mcq question image
Which of the following correctly represents the output Vout corresponding to the input Vin?

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