Advertisements
Advertisements
प्रश्न
For a transistor β =75 and IE = 7.5 mA. The value of α is ______
पर्याय
0.1
0.66
0.75
0.98
Advertisements
उत्तर
For a transistor β =75 and IE = 7.5 mA. The value of α is 0.98.
APPEARS IN
संबंधित प्रश्न
Why is the base of a transistor made thin and is lightly doped?
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?
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 ______
The light emitted in an LED is due to
The output of the following circuit is 1 when the input ABC is
Explain the need for a feedback circuit in a transistor oscillator.
What is rectification?
In the symbol for a transistor, the arrow head points in the direction of the ____________.
Least doped region in a transistor ____________.
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 base current is 100 µA and the collector current is 10 mA. The emitter current 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 case of npn transistors, the collector current is always less than the emitter current because ______.
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 ____________.
A pnp transistor is used in common-emitter mode. If a change of 40 µA in base current brings a change of 2 µA in collector current with 0.04 V in base-emitter voltage, then the input resistance is ____________.
For an ideal diode, the current in the following arrangement 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 ______.
Explain the working of the n-p-n transistor in a common base configuration.
How is a transistor biased for operating it as amplifier?
In a CE amplifier, the current gain is 80 and the emitter current is 9 mA. The base current is ______.
Define peak value of alternating signal.
Explain the output characteristics of common emitter configuration of n-p-n transistor.
