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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Q. The given circuit has a feedback factor of

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Q. The ripple factor of a power supply is given by

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Q. In the op-amp circuit shown in figure the current through load resistance RL is

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Q. RC network shown in the given figure can provide a maximum theoretical phase shift of

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Q. Assertion (A): In the circuit shown figure the diode is used to protect the active devices. Transistor T goes into saturation when a positive pulse is applied at base and non conducting

Reason (R): When the current in an inductor is suddenly stopped, a high voltage is induced across it.

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Q. Following figure is a signal conditioning Amplifier, changes gain depending upon the polarity of Vs. What will be circuit voltage gain for + Vs and for - Vs if D2 is ideal.

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Q. The circuit of the figure is an example of feedback of the following type

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Q. Oscillation frequency in Wein bridge oscillator is

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Q. In figure VCC = + 30 V, IC corresponding to Q point is 1 mA. If RC = 5 kΩ and RE = 5 kΩ, VCE corresponding to Q point is

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