Quiz Bank
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Why does n-type semiconductors have so many electrons than holes?
The elements of group V are pentavalent such as arsenic (As), phosphorus (P), bismuth (Bi), and antimony (Sb). These have five electrons in their valence band. When one of these materials is added to a semiconductor like Si, four of…
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What is the Difference Between emf and Potential Difference?
The emf (electromotive force) is the potential difference between the terminals of a battery when no current is flowing through an external circuit when the circuit is open. The potential difference is the voltage across the terminals of the battery…
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Difference between conduction, convection and radiation
There are three modes of heat transfer, conduction convection, and radiation. In the process of conduction heat transfer from a hot body to the cold body due to free electrons.In convection heat transfer due to the actual movement of molecules, While…
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What happens when two waves interfere?
Interference is the process of superposition of two waves having the same wavelength, amplitude, and frequency. When the waves interfere, there is no loss of energy. During constructive interference, the two waves are added up to give a resultant wave…
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Uses of damping devices in machinery
The damping devices are often used on machinery to increase the damping and reduce the vibrational effects caused due to running of machinery.These vibrational effects disturb the whole assembly and the building in which the machinery is working.The vibrational frequency…
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6 Regular Benefits of Using iTop VPN Service
Technological advancement enables you to establish a secure and encrypted connection over the internet between your device and a distant server. This distant server, which can be situated anywhere on the planet, is often owned by a VPN expert company.…
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What is difference between Electrostatic force and nuclear force
Electrostatic force Electrostatic force acts between charged particles only. Electrostatic force is a long range force. A proton can interact with all the protons within the nucleus through electrostatic force. Electrostatic force is a weak force. Nuclear force Nuclear force…
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difference between astronomical telescope and galilean telescope
Comparison table : Astronomical telescope Galilean telescope 1:In an astronomical telescope the eyepiece is a convex lens. 1:In Galilean telescope the eyepiece is a concave lens. 2:It forms an inverted image.…
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Difference between plane wave and spherical wave
The basic difference between plane wave and spherical wave is that in plane wave disturbances propagated in single direction like string wave, while in spherical waves disturbances propagated outward in all directions from the source of wave.Light waves is an…
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Difference between Gas Turbine and Steam Turbine in Tabular Form
The basic difference between gas turbine and the steam turbine is that the gas turbine is easy to start and control easily while the steam turbine is difficult to start and difficult to control. The idea of the gas turbine…