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Q. Show Advantages of Oscillators?
Although oscillations can be produced by mechanical devices (e.g. alternators), but electronic oscillators have the following advantages:
(i) An oscillator is a non-rotating device. Consequently, there is little wear and tear and hence longer life.
(ii) Due to the absence of moving parts, the operation of an oscillator is quite silent.
(iii) An oscillator can produce waves from small(20 Hz) to extremely high frequencies(>100 MHz).
(iv) The frequency of oscillators can be easily changed when desired.
(v) It has good frequency stability i. e. frequency once set remains constant for a considerable period of time.
(vi) It has very high efficiency.
Explain Einstein relation. Einstein relation: There exists a significant relation between the diffusion constant and the mobility. It is termed as the Einstein relation and
Normal 0 false false false EN-IN X-NONE X-NONE MOTOR CONTROL
Q. Frequency stability of quartz crystals ? The amount of frequency deviation from the ambient temperature frequency over the operating temperature range. This deviation is ass
Classification of Solids into Insulators, Semiconductor and Conductors A solid can conduct electric current if the electrons can move in it. This is possible only when an ener
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Some wire of cross-sectional area 1mm 2 has a resistance of 20Ω. Determine: a) The resistance of a wire of the same length and material if the cross-sectional area is 4 mm 2 .
Cross-subsidy: The policy gives clarity on determination of cross-subsidy and additional surcharges for open access to consumers and lays down a timeframe for rationalization
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