Advertisements
Advertisements
प्रश्न
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 ______
विकल्प
0.1 mA
0.2 mA
0.3 mA
0.4 mA
Advertisements
उत्तर
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 the base current is 0.2 mA.
Explanation:
Let Ie be emitter current Ib be base current and Ic be collector current.
Ie = Ib + Ic
10mA = Ib + 9.8mA
संबंधित प्रश्न
Why are the emitter, the base, and the collector of a BJT doped differently?
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?
Draw the circuit symbol of the PNP transistor.
Explain the working 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?
Give the Barkhausen conditions for sustained oscillations.
Explain the need for a feedback circuit in a transistor oscillator.
What is rectification?
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 ______
In the symbol for a transistor, the arrow head points in the direction of the ____________.
In switching circuit, transistor is in ON state. Values of IC and 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 ______.
Ve, Vb, and Ve are emitter, base, and collector voltage respectively for npn transistor in CE mode. Amplifier works for the combination of biasing voltage equal to ______.
In an npn transistor, the collector current is 24 mA. If 80% of electrons reach collector, its base current in mA 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 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 ____________.
For a common emitter configuration, if 'α' and 'β' have their usual meanings, the correct relationship between 'α' and 'β' is ______.
In transistor amplifier, base-emitter junction is forward biased and collector emitter junction is reverse biased. The current gain is ______.
In the case of transistor, the relation between current ratios αdc and βdc is ______.
For an ideal diode, the current in the following arrangement 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 ______.
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 ______.
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 ______.
How is a transistor biased for operating it as amplifier?
Define β
When an n-p-n junction transistor is used as an amplifier in common emitter mode, ______.
In a transistor (common emitter configuration) the ratio of power gain to voltage gain is (α and β are current ratios) ______.
