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
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?
For a transistor β =75 and IE = 7.5 mA. The value of α is ______
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.
Explain the working of the PNP transistor?
With the help of a neat diagram, explain the working of the npn transistor?
Transistor functions as a switch. Explain.
A transistor of α = 0.99 and VBE = 0.7 V is connected in the common-emitter configuration as shown in the figure. If the transistor is in the saturation region, find the value of collector current.

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 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 ____________.
If `alpha`-current gain of a transistor is 0.98. What is the value of `beta`- current gain of the transistor?
Which of the following regions of a transistors are, respectively, heavily dopped and lightly dopped?
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, the thickness of the base region ____________.
In a transistor, doping level in base is increased slightly, the collector current and base current respectively ______.
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 ______.
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 ______.
For a transistor, αdc and βdc are the current ratios, then the value of `(beta_"dc"-delta_"dc")/(alpha_"dc".beta_"dc")`
In a p-n-p transistor circuit, the collector current is 10 mA. If 90% of the holes emitted from the emitter reach the collector, ______.
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 ______.
In a CE amplifier, the current gain is 80 and the emitter current is 9 mA. The base current is ______.
Explain the output characteristics of common emitter configuration of n-p-n transistor.
Define α.
