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Why susceptibility has no unit?
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A motor has to exert power starting from zero and rising uniformly to 150 HP in 8 mins after which it works at constant power of 100 HP for 5 mins. The motor remains on no load for next 5 mins. The cycle again starts and repeats indefinitely. Determine suitable size of motor.

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What is the unit of dielectric susceptibility?
Answer : The unit of dielectric susceptibility (denoted as \( \chi_e \)) is **dimensionless**. This is because dielectric susceptibility is a ratio of the electric polarization to the electric field, and ... that cancels out the units, dielectric susceptibility ends up being a pure number without any units....

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Why power factor of the transformer under no load is very low?

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Why is there no reactance in a DC circuit?
Answer : In a DC (Direct Current) circuit, the current flows in one direction only, and the voltage is constant (not alternating). Reactance is a property that comes into play when there is ... magnetic field (for inductance) or charging/discharging behavior (for capacitance), leading to no reactance....

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Why is the emf always even when no current is drawn through the battery?

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Why does Z have no line of symmetry?
Answer : The letter "Z" has no line of symmetry because it cannot be folded in half so that both sides match exactly. If you try to fold the "Z" along any possible line-whether it's vertical, horizontal, or ... reason is that no matter how you fold it, the two halves won't be mirror images of each other....

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Why is there no AAA congruence rule?
Answer : The reason there is no AAA (Angle-Angle-Angle) congruence rule in geometry is that just knowing the angles of two triangles isn't enough to guarantee that the triangles are congruent (i.e., have the ... but it doesn't guarantee they are congruent, which is why we don't have an AAA congruence rule....

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Why tunnel diode has negative resistance?
Answer : A tunnel diode exhibits negative resistance because of a phenomenon called *quantum tunneling*. This happens due to the unique properties of its heavily doped p-n junction. Here's a ... the current decreases as the voltage increases, resulting in negative resistance in a certain voltage range....

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Which meter has a greater sensitivity and why? Meter A having a range of 0-10 V and a multiplier resistance of 18 kΩ and meter B with a range of 0-300 V and multiplier resistance of 298 kΩ? Both meter movements have a resistance of 2 kΩ.

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State why a transformer always has an efficiency of more than 90%.

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Why does instrumentation amplifier has high input impedance?
Answer : An instrumentation amplifier has high input impedance primarily for two main reasons: 1. **Buffering Effect of the Op-Amps**: The instrumentation amplifier typically uses a combination of ... sensor readings, and other systems where small voltages need to be measured accurately without distortion....

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Why Pt100 has 3 wire?
Answer : A Pt100 temperature sensor typically has 3 wires to improve measurement accuracy. Here's how it works: 1. **Basic Principle (Resistance Measurement)**: A Pt100 sensor is made from ... wires to compensate for the resistance of the connecting wires, improving the accuracy of temperature measurements....

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Is 0 a yes or no?
Answer : In many contexts, **0** is typically used to represent **no**, and **1** is used to represent **yes**. This is common in binary systems, where 0 and 1 are used to represent two possible states (off/on, ... So, in general, **0** is often associated with **no**, but it depends on how it's being used!...

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Which is the No 1 electronic market in India?
Answer : The No. 1 electronic market in India is often considered to be **Nehru Place** in New Delhi. It's one of the largest hubs for electronic products and components in the country. You can find a wide range ... . But **Nehru Place** stands out due to its size, variety, and the sheer number of vendors....

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What is the speed variation of the induction motor from no load to full load?

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What is the power factor of an alternator at no load?
Answer : At **no load**, the power factor of an alternator is typically **very low**, close to **zero**. This happens because, at no load, the alternator is not supplying any real power (active ... zero. As the load increases, the alternator starts supplying more real power, and the power factor improves....

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Which is the No 1 high salary job?
Answer : The number one high-salary job can vary depending on factors like industry, experience, location, and education. However, generally speaking, the following jobs are often considered among the highest-paying: ... kind of work you're passionate about and willing to invest in for long-term success....

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What is the symbol for no resistance?
Answer : The symbol for no resistance is usually represented by a **short circuit** or **ideal conductor**. In circuit diagrams, this is typically shown as a wire with no resistance. There isn't a specific, standardized symbol ... (with no resistance)**: A straight line. - **In equations**: \( R = 0 \)....

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