# The common base configuration is useful when

1.  A high current gain is required

2.  A low output resistance is required

3.  A low input resistance is required

4.  A high voltage gain and low output resistance is required

4

A low input resistance is required

Explanation :
No Explanation available for this question

# The JFET circuit and it’s common-source drain characteristics are shown below, if VDD = 20V, VGG = -2.5V and ID = 3mA then the value of Rd is

1.  33.3kΩ

2.  3.3kΩ

3.  333kΩ

4.  None

4

3.3kΩ

Explanation :
No Explanation available for this question

# The Zener diode in the regulator circuit shown in the figure has a Zener voltage of 5.8V and a Zener knee current of 0.5 mA. The maximum load current drawn from this circuit ensuring proper functioning over the input voltage range between 20v and 30V is

1.  23.7 mA

2.  14.2 mA

3.   13.7 mA

4.  24.2 mA

4

23.7 mA

Explanation :
No Explanation available for this question

# The order and type of the filter for the Op-amp circuit shown below is.

1.   1st order LPF

2.   2nd order LPF

3.  1st order HPF

4.  2nd order HPF

4

2nd order LPF

Explanation :
No Explanation available for this question

# The circuit below shown is

1.  2nd order high pass filter

2.  2nd order low pass filter

3.  2nd order unity gain low pass filter

4.  2nd order unity gain high pass filter

4

2nd order unity gain low pass filter

Explanation :
No Explanation available for this question

# Consider the common emitter circuit shown below Which of the following represents the D.C. equivalent model of common emitter circuit shown above such that transistor is in active region

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# For the circuit shown below, assume that the Zener diode is ideal with a breakdown voltage of 6V. The waveform observed across R is

1.

2.

3.

4.  None

4

Explanation :
No Explanation available for this question

# In the transformer- coupled amplifier circuit shown below, if the turns ratio of the transformers is 1:2 then impedance of the amplifier seen from the source given h-parameter of the transistor hie=2K hre=0, & hoe=0.A/V

1.   52 KΩ

2.  26 KΩ

3.  13 KΩ

4.  None

4

26 KΩ

Explanation :
No Explanation available for this question

# For the common emitter circuit shown below, if VCC = 10V, RC= 2KΩ, RB = 220 KΩ, VBB = 4V , β = 200 then VCE and region of operation is

1.  2V & cutoff

2.  4V & forward active

3.  6V & reverse active

4.  10V & cutoff

4

4V & forward active

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4