हिंदी

Draw the circuit diagram to study the characteristic of the transistor in common emitter mode. Draw the input and output characteristics. - Physics

Advertisements
Advertisements

प्रश्न

Draw the circuit diagram to study the characteristic of the transistor in common emitter mode. Draw the input and output characteristics. 

आकृति

उत्तर

  1. Circuit to study Common Emitter (CE) characteristic:

  2. The Input characteristics:
  3. The output characteristics:
     
shaalaa.com
Bipolar Junction Transistor (BJT)
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 16: Semiconductors Devices - Long Answer

APPEARS IN

संबंधित प्रश्न

In a BJT, the largest current flow occurs ______.


Why is the base of a transistor made thin and is lightly doped?


Derive the relation between α and β.


In a common base configuration, the transistor has an emitter current of 10 mA and a collector current of 9.8 mA. The value of base current is ______ 


For a transistor IC = 15 mA, IB = 0.5 mA. What is the current amplification factor?  


With the help of a neat diagram, explain the working of the npn transistor?  


The light emitted in an LED is due to


Sketch the static characteristics of a common emitter transistor and bring out the essential features of input and output characteristics.


Assuming VCEsat = 0.2 V and β = 50, find the minimum base current (IB) required to drive the transistor given in the figure to saturation.


The condition to convert an amplified signal into an oscillating signal is ______


In the symbol for a transistor, the arrow head points in the direction of the ____________. 


If `alpha`-current gain of a transistor is 0.98. What is the value of `beta`- current gain of the transistor?


In an npn transistor, the base current is 100 µA and the collector current is 10 mA. The emitter current is ______.


In an npn transistor, the collector current is 24 mA. If 80% of electrons reach collector, its base current in mA is ______.


In case of npn transistors, the collector current is always less than the emitter current because ______.


For a common emitter configuration, if 'α' and 'β' have their usual meanings, the correct relationship between 'α' and 'β' is ______.


In a silicon transistor, a change of 7.89 mA in the emitter current if produces a change of 7.8 mA in the collector current, then the base current must change by ____________.


In a transistor, a change of 8.0 mA in the emitter current produces a change of 7.8 mA in the collector current. Then change in the base current is ____________.


A transistor when connected in common emitter mode has a ____________.


In transistor amplifier, base-emitter junction is forward biased and collector emitter junction is reverse biased. The current gain is ______.


In common emitter mode of transistor, the d.c. current gain is 20, the emitter current is 7 mA. The collector current is ______.


A transistor having α = 0.8 is connected in a common emitter configuration. When the base current changes by 6 mA, the change in collector current is ______ 


A common emitter amplifier has a voltage gain of 50, an input impedance of 100Ω and an output impedance of 2000Ω. The power gain of the amplifier is ______.


A transistor is used as a common emitter amplifier with a load resistance 2 KΩ. The input resistance is 150 Ω. Base current is changed by 20 µA which results in a change in collector current by 1.5 mA. The voltage gain of the amplifier is ______. 


A common emitter amplifier circuit built using an n-p-n transistor is shown in the figure. Its DC current gain is 300, RC = 4 kΩ and VCC = 20 V. What is the minimum base current for VCE to reach saturation?

 


Define peak value of alternating signal.


Define α.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×