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What is galvanometer and its working principle?
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Draw a neat sketch of Rotameter and explain its working principle.

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What is the working principle behind a galvanometer?

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What is the working principle of galvanometer based upon?

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What is the basic working principle of galvanometer?

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What is the working principle of moving coil galvanometer?

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Draw the constructional diagram of LVDT. State its working principle. What is residual voltage? Explain with a neat diagram.

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State the necessity of synchroscope and with neat sketch explain its working.

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Draw the circuit diagram of battery charger using SCR and explain its working.

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State the function of strain gauge. Give its types and explain the working of any one type of it.

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Draw constructional details of C-types Bourdon tube and explain its working.

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Draw a neat labeled diagram of a neon sign tube and explain its working.

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What is the working of pn junction diode and its applications?

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What is the principle of superposition and its uses?

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Explain the working principle of a Moving Iron (MI) instrument. How does it differ from a Moving Coil (MC) instrument in terms of construction, operation, and applications?
Answer : **Working Principle of Moving Iron (MI) Instrument:** A Moving Iron (MI) instrument works on the principle of electromagnetic attraction. When current flows through a coil, it creates a magnetic field. This ... galvanometers and ammeters. Let me know if you'd like me to add or tweak anything!...

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Explain the working principle of a phase rotator in clock and data recovery circuits.

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Explain the working principle of a clock and data recovery (CDR) circuit.

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