हिंदी

In a transistor amplifier, IC = 5.5 mA , IE = 5.6 mA. The current amplification factor β is ______

Advertisements
Advertisements

प्रश्न

In a transistor amplifier, IC = 5.5 mA , IE = 5.6 mA. The current amplification factor β is ______ 

विकल्प

  • 45

  • 50

  • 55

  • 60

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

In a transistor amplifier, IC = 5.5 mA , IE = 5.6 mA. The current amplification factor β is 55.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 16: Semiconductors Devices - MCQ’S

संबंधित प्रश्न

In a BJT, the largest current flow occurs ______.


Why are the emitter, the base, and the collector of a BJT doped differently?


In a common-base connection, the emitter current is 6.28 mA and the collector current is 6.20 mA. Determine the common-base DC current gain.


Which method of biasing is used for operating a transistor as an amplifier?


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 β =75 and IE = 7.5 mA. The value of α is ______ 


Draw the circuit symbol of the PNP transistor. 


Draw the circuit symbol for NPN and PNP transistors. What is the difference in the Emitter, Base, and Collector regions of a transistor? 


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


With the help of a neat circuit diagram, explain the transistor as an amplifier? 


The principle based on which a solar cell operates is ____________.


The light emitted in an LED is due to


Explain the need for a feedback circuit in a transistor oscillator.


What is rectification?


In a common emitter amplifier, the input resistance is 1000 Ω, the peak value of Input signal voltage is 5 mV, and β = 60. The peak value of output current is


In the study of transistor as an amplifier, the ratio of collector current to emitter current is 0.98 then the ratio of collector current to base current will be ______.


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


In a transistor in CE configuration, the ratio of power gain to voltage gain is ____________.


In switching circuit, transistor is in ON state, values of IE and lB are 10 mA and 0.8 mA respectively and RL is 2 k`Omega`. If VCE is 7.6 V, then VCC is ____________.


In a common emitter amplifier circuit using an n-p-n transistor, the phase difference between the input and the output voltages will be: ____________.


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 ______.


A change of 9.0 mA in the emitter current brings a change of 8.9 mA in the collector current. The value of current gain β will be ______.


For an ideal diode, the current in the following arrangement is ______.


In a study of transistor as an amplifier, the ratio of collector current to emitter current is 0.98. The collector current is 3mA, then base current will be approximately ______.


The transfer ratio of a transistor is 50. The input resistance of the transistor when used in the CE configuration is 1K Ω. The peak value for an AC input voltage of 0.01 V of collector current is ______.


Explain the working of the n-p-n transistor in a common base configuration.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×