Q. If Rs is the sources resistance, the O/P resistance of an emitter follower using the simplified hybrid model would be

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Q. Figure represents

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Q. The frequency response of an ideal tuned amplifier should be as represented in figure by

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Q. In figure vi is a sinusoidal wave. Which of the following best describes the output v0?

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Q. For an amplifier the input output signals are shown in figure. The class of amplifier is

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Q. The oscillator shown in figure is a

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Q. Figure represents a

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Q. The circuit in figure is

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Q. In order to obtain triangular pulses at the output of the circuit in the figure, the input should be.

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Q. The circuit in figure is

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Q. The oscillator shown in figure is a

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Q. For an I/p of Vs = 5 sin ωt (assuming ideal diode), circuit shown in the figure will behave as a

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Q. In figure

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Q. In a Hartley oscillator the condition for sustained oscillations is hfe = L₁/L₂ . If there exists mutual inductance M between coils L₁ and L₂, then the above condition will get modified as hfe

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Q. Figure shows current pulses of a class C power amplifier. The fundamental frequency of these pulses is

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Q. The Clapp oscillator shown in figure will operate at

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Q. Figure shows a zener circuit and characteristic of the zener used. If R2 is the lowest load resistance, then for proper voltage regulation R1 must be

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Q. In figure, VC is approximately equal to

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Q. Figure shows small signal model of CB amplifier circuit. Then I and R are respectively equal to

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Q. Figure represents a

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