Q. In the re model of a BJT amplifier, the ac resistance of diode at room temperature is about (IE is quiescent emitter current)

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Q. Symbol shown in figure represents a

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Q. Figure shows basic Hartley oscillator configuration. Do you think the polarities marked for the split coiled are correct?

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Q. In the case of the circuit shown in the figure, the collector current IC will be, if β = 100, VBE = 0.7 V, ICO = 0.1 βA at 20°C

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Q. The circuit of figure is

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Q. In figure VCE (sat) = 0.1 V. Then IC (sat) =

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Q. The circuit shown in figure will

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Q. For the circuit shown in the figure, the capacitor C is initially uncharged. At t = 0, the switch S is closed. The voltage Vc across the capacitor at t = 1 millisecond is (In the figure shown above, the op-amp is supplied with ± 15 V and the ground has been shown by the symbol)

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Q. In figure, D2 turns on when

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Q. Figure shows the feedback network of one of the very popular types of sinusoidal oscillators. Which one is that?

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Q. In figure the trace on the CRO will be

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Q. The circuit shown I/P in the figure represents

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Q. To have a centred Q point in CE amplifier

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Q. In figure the diode is ideal (zero cut in voltage zero forward resistance). Then the current through diode is

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Q. The circuit shown in the figure is that of

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Q. Circuit shown in the figure is

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Q. The period of oscillation of a symmetrical multivibrator depends upon the discharging time constant and is roughly given by

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Q. Symbol shown in figure represents a

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Q. In figure it is desired that output wave is symmetrical. Then

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Q. The circuit shown in figure will act as

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