मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

In a common-base connection, a certain transistor has an emitter current of 10mA and a collector current of 9.8 mA. Calculate the value of the base current. - Physics

Advertisements
Advertisements

प्रश्न

In a common-base connection, a certain transistor has an emitter current of 10mA and a collector current of 9.8 mA. Calculate the value of the base current.

संख्यात्मक
Advertisements

उत्तर

Data: IE = 10 mA, lC = 9.8 mA

IE = IB + IC

Therefore, the base current,

IB = IE - I= 10 - 9.8 = 0.2 mA

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 16: Semiconductor Devices - Exercises [पृष्ठ ३६४]

APPEARS IN

बालभारती Physics [English] Standard 12 Maharashtra State Board
पाठ 16 Semiconductor Devices
Exercises | Q 19 | पृष्ठ ३६४

संबंधित प्रश्‍न

In a BJT, the largest current flow occurs ______.


The common-base DC current gain of a transistor is 0.967. If the emitter current is 10mA. What is the value of base current?


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.


Derive the relation between α and β.


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


Draw the circuit symbol of the PNP transistor. 


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


The output of the following circuit is 1 when the input ABC is


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


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


A transistor has a voltage gain A. If the amount βA of its output is applied to the input of the transistor, then the transistor becomes oscillator, when ______.


A common emitter amplifier is designed with n-p-n transistor (α = 0.99). The input impedance is 1 kΩ and the load is 10 kΩ. The voltage gain will be ______


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


In switching circuit, transistor is in ON state. Values of Iand IB are 5.2 mA and 10 µA respectively and value of RC is 1 k`Omega`. If Vcc is at 5.5 V, then VCE is ______.


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 an npn transistor circuit, the collector current is 10 mA. If 90% of the electrons emitted reach the collector, the emitter current (IE) and base current (IB) are given by ____________.


In a transistor, doping level in base is increased slightly, the collector current and base current respectively ______.


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 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 common emitter amplifier, a change of 0.2 mA in the base current causes a change of 5 mA in the collector current. If input resistance is 2K `Omega` and voltage gain is 75, the load resistance used in the circuit is ______.


The base current in common emitter mode of the transistor changes by 10 µA. If the current gain of the transistor is 50, then change in collector current is ______.


The collector current in a common-emitter transistor amplifier is 4 mA. When the base current is increased by 20 µA, the collector current increases to 6 mA. The current gain is ______.


Define α.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×