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Why is inductance represented by L, why not I?
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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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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 meant by the "time constant" of a series R-L circuit ?

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Is the time constant of a series RL circuit is equal to the value of inductance divided by the resistance?

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How do I fix my battery plugged in but not charging?

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Explain the following troubles and related remedies in an ultrasonic flow meter: (i) Meter does not show reading (ii) Meter shows less value of flow measured (iii) Meter shows a high value of flow measured.

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Which battery type is not recommended by mercury Marine?

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Explain the energy conservation technique “By improving power quality of I.M.”

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Why is mutual inductance equal?
Answer : Mutual inductance is equal because the inductive effect between two coils (or circuits) is the same whether you're considering the influence of coil 1 on coil 2, or vice versa. In simple terms ... similar properties (such as the same geometry, number of turns, and the same magnetic environment)....

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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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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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Why is a galvanometer not used to measure AC current?

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Why Power Plant Capacity Rated in MW and not in MVA?

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Why most of analog o/p devices having o/p range 4 to 20 mA and not 0 to 20 mA?

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Why ELCB can’t work if N input of ELCB do not connect to ground?

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