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What is an indicator?
An indicator is a substance that undergoes a change when the endpoint of a titration is reached E.g.: acid indicators are used to single the end of acid-base titration. Indicators…
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Application of astable multivibrator
The astable multivibrator is used as the wave generator. It is used as voltage-frequency converter. It is used in pulse synchronization. Since it produces square waves, it is a source…
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Explain the frequency stability of an oscillator
Manos table multivibrator has one stable state and one quasi-state. It is also known as one-shot multivibrator or univibrator. It remains in its stable state an input pulse triggers it…
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Differentiate between single-walled carbon nano-tube and multi-walled carbon nano-tube
The difference between the single-walled carbon nanotube and multi-walled carbon nano-tube are as follows- Single-walled carbon nano-tube Multi-walled carbon nano-tube SWNT is made up by rolling a graphene sheet into…
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Difference between feeder and distributer
Feeder Distributor In the substance (s), the voltage magnitude is reduced to a utilization level and then the eclectic power is a distribution to the various area through the conductors…
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Comparison of A.C distribution with D.C distribution
A.C distribution D.C. distribution 3 phase A.C distribution system requires 4 wires. D.C distribution system requires only one wire with the ground as a return path. The voltage at the…
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Frequency stability of an oscillator
The frequency stability of an oscillator can be defined as a measure of its ability to maintain a constant frequency over a long time interval. However, it has been observed…
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What is positive feedback
Positive feedback: If the feedback single (i.e. voltage or current) is applied in such a way that is in phase with the input and thus increase it, then it is…
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Classification of oscillators
Classification of oscillators: Based on the output waveform: The oscillators are classified as: Sinusoidal oscillator Non-sinusoidal oscillator Based ON the circuit components: RC oscillators LC oscillators Crystal oscillates Based on…
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Explain barkhausens criteria for oscillation
Barakhausens criterion: Consider a basic inverting amplifier with an open loop gain ‘A’. As basic amplifier is inverting it produces a phase shift of 1800 between input and output The…