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Draw the voltage triangle of R-L circuit.
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What is meant by the "time constant" of a series R-L circuit ?

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For zero initial conditions, write the equation for current in a series R-L circuit for step response.

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Derive the expression for resonance frequency in R-L-C series circuit.

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State significance of earthing. Draw and explain pipe earthing. State the values of earth resistances for: (i) Substation (ii) Residential wiring (iii) H.T. Line (iv) L.T. Line.

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Derive the torque equation of 3 φ I.M. under running condition.k) Explain production of R.M.F. in 3-phase I.M. when 3 φ supply is fed to it. Draw its phasor diagram.

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A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of ... on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

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What do you mean by time constant of an R-C circuit?

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What is the time constant of a series R-C circuit Mcq?

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

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Draw circuit diagram of symmetrical configuration of bridge converter.

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Draw the circuit diagram of DC static circuit breaker and give its operation.

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Draw the equivalent circuit of a transformer referred to the primary and state the meaning of each term related to the equivalent circuit.

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Draw the circuit diagram and phasor diagram of nominal T method of medium transmission line.

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Draw neat circuit diagrams of i) Feeder reactor ii) Generator reactor.

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Describe the control of a single lamp from three places. Draw the relevant circuit diagram.

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Explain control of a single lamp from four places. Draw the relevant circuit diagram.

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Draw the circuit diagram of a short shunt and long shunt type of composite self excited DC generator.

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Draw the setup of the short circuit test in a transformer.

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Draw the setup of the Open circuit test in a transformer.

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Draw the equivalent circuit of a transformer as referred to the secondary.

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Draw the equivalent circuit of a transformer as referred to the primary.

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Draw neat circuit diagram of (i) Feeder reactor and (ii) Generator reactor

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Draw symbol of following: i) Earth Switch ii) Lightning arrester iii) Circuit breaker v) Isolator

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Draw circuit diagram for one lamp controlled with one switch.

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Draw a circuit diagram for polarity test on a single-phase transformer.

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Represent the vector representation of power triangle.

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What is the triangle in Maxwell's equations?
Answer : The "triangle" in Maxwell's equations usually refers to the **del operator**, often represented by the symbol **∇ (nabla)**. The del operator is a vector differential operator that ... differential operator that helps express how fields like electric and magnetic fields change in space and time....

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A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.

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What is the L and N in AC?
Answer : In an alternating current (AC) electrical system, **L** and **N** stand for **Live (or Line)** and **Neutral**. Here's a simple explanation: - **L (Live or Line)**: This is ... the one that carries the electrical potential, while the **Neutral** wire provides a path for the current to flow back....

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How does a MOSFET's aspect ratio (W/L) affect its current-carrying capacity?

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