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

View solution

Q. To have a centred Q point in CE amplifier

View solution

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

View solution

Q. The circuit shown in the figure is that of

View solution

Q. Circuit shown in the figure is

View solution

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

View solution

Q. Symbol shown in figure represents a

View solution

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

View solution

Q. The circuit shown in figure will act as

View solution

Q. The given circuit has a feedback factor of

View solution

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

View solution

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

View solution

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

View solution

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.

View solution

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.

View solution

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

View solution

Q. Oscillation frequency in Wein bridge oscillator is

View solution

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

View solution

Q. Symbol shown in figure represents a

View solution

Q. In the op-amp circuit of figure, V0 =

View solution