In n-p-n transistor, the p-type crystal act as
In the n-p-n transistor, the p-type crystal act as a base. A transistor is defined as the device which is... View Article
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In an n-p-n transistor, the emitter current is
Ie = Ib + Ic
The transistor provide good power amplification when they are used in:
The transistor provides good power amplification when they are used in common emitter configuration.
In an n-p-n transistor symbol, the arrow on the emitter is shown:
In an n-p-n transistor symbol, the arrow on the emitter is shown away from the base.
In present circuits, a number of logic gates or circuits are integrated into a single circuit, known as
In present circuits, a number of logic gates or circuits are integrated into a single circuit, known as integrated circuits.
Splitting of light when it passes through prism is called as
Splitting of light when it passes through prism is called as dispersion.
A transistor can be used as
Following are the ways in which transistor can be used as: Transistor as a switch Transistor as an amplifier Transistor... View Article
The collector of the transistor should be of:
The doping level of the collector is moderate, and its size is the largest of the three regions.
Choose the right answer from the following
If A = 1 and B = 0, what is the value of A.A+B? 0 A2 A B Answer: 3.A... View Article
An oscillator is nothing but an amplifier with:
An oscillator is an electronic circuit, which generates alternating voltage. In an oscillator the output power is returned back to the... View Article
Which of the following is not an ac parameter of a transistor?
Input resistance, Output resistance and Current amplification factor are ac parameters of a transistor.
Newtonian reflecting type telescope uses
Newtonian reflecting type telescope uses Concave mirror.
Transistor cannot be used as a :
Diodes can be used as rectifiers while transistors can be used as amplifiers,oscillators and a switch.
Transistors are useful in equipments such as hearing aids and small radio receivers because transistors :
Transistors are useful in equipments such as hearing aids and small radio receivers because transistors do not distort sound.
Zener diodes are used as
Zener diodes are used as voltage regulators. When a Zener diode is used as a voltage regulator, it used for... View Article
In mirrors how can we differentiate real image from the virtual image
In mirrors, we differentiate the real image from the virtual image as the real image is always inverted, whereas the... View Article
A myopic person can see things clearly if they lie between 8 cm and 100 cm from his eye. The lens will enable him to see the moon distinctly if its focal length is:
The final image of the moon should be formed at a distance of 100 cm. Using a concave lens of... View Article
The earth takes 24 h to rotate once about its axis. How much time does the sun take to shift by 1º when viewed from the earth?
We know the earth takes 24 hours to complete one rotation around its axis and 365 days to complete one... View Article
A 50 Hz a.c. is rectified with full wave rectifier, what is the output frequency?
A full-wave rectifier rectifies both the half cycles of the AC input i.e., it conducts twice during a cycle.Output frequency is double... View Article
The diode that is specially designed to work only in reverse breakdown region is
Zener diode is specially designed to work only in reverse breakdown region.
