Q. For the amplifier in figure, β = 800. The mid-band voltage gain V0/Vi is

View solution

Q. In the circuit of figure, v0 =

View solution

Q. The bandwidth of an amplifier is BW, of n-stage of such as amplifier are cascaded, the bandwidth will become

View solution

Q. The voltage eo indicated in the figure has been measured by an ideal voltmeter. Which of the following can be calculated?

View solution

Q. The circuit of figure is

View solution

Q. In figure gain bandwidth product is

View solution

Q. Which of the following figures is an ideal equivalent circuit of a n-p-n transistor?

View solution

Q. In the circuit of figure, the value of re is (neglecting vbe)

View solution

Q. In figure Vi may vary from 15 to 20 V and load current may vary from 20 mA to 100 mA. Suitable maximum value of R is

View solution

Q. In the circuit shown in the given figure, the current flowing through resistance of 100 Ω would be

View solution

Q. In figure the dc load line will meet the y and x axis respectively at

View solution

Q. In a CE class A amplifier the quiescent current and voltage are ICQ and VCEQ. The maximum power output can be

View solution

Q. The ripple factor of a power supply is

View solution

Q. If the op-amp in figure has a unity gain frequency of 1 MHz, the cut off frequency is

View solution

Q. In figure, IC ≈

View solution

Q. Figure shows a

View solution

Q. The equivalent circuit shown in figure is for

View solution

Q. Symbol shown in figure represents a

View solution

Q. At the peak of negative half cycle in figure

View solution

Q. The input resistance Ri of the amplifier shown in the figure

View solution