Advertisements
Advertisements
प्रश्न
Draw the circuit symbol of the PNP transistor.
Advertisements
उत्तर
The circuit symbol of the p-n-p transistor
APPEARS IN
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?
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 ______
For a transistor IC = 15 mA, IB = 0.5 mA. What is the current amplification factor?
With the help of a neat diagram, explain the working of the npn transistor?
The principle based on which a solar cell operates is ____________.
The light emitted in an LED is due to
Give the Barkhausen conditions for sustained oscillations.
Explain the current flow in an NPN transistor.
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
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 ______.
Which of the following regions of a transistors are, respectively, heavily dopped and lightly dopped?
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 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 ____________.
In a transistor, the thickness of the base region ____________.
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 ______.
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 ______.
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 common emitter amplifier circuit built using an n-p-n transistor is shown in the figure. Its DC current gain is 300, RC = 4 kΩ and VCC = 20 V. What is the minimum base current for VCE to reach saturation?
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 current amplification factor for a transistor in its common emitter mode is 50. The current amplification factor in the common base mode of the transistor is ______.
In a CE amplifier, the current gain is 80 and the emitter current is 9 mA. The base current is ______.
