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Why Battery rating in Ah (Ampere hour) and not in VA.
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How do you calculate the required VA rating for a UPS?

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What is Ah in a battery?
Answer : Ah, or **Ampere-hour**, is a unit used to measure the capacity of a battery. It tells you how much charge a battery can deliver over a specific period of time. Here's how it works: - **1 Ah* ... power is being drawn from it). In simple terms, Ah gives an idea of the battery's "storage" capacity....

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What is meant by 150 Ah battery?
Answer : A **150 Ah battery** refers to a battery with a **capacity of 150 ampere-hours (Ah)**. Here's what that means: - **Ampere-hour (Ah)** is a unit of measurement that indicates the ... the power (current) they draw. Higher Ah means the battery can run for a longer time before needing a recharge....

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What is the difference between a kilowatt (kW) and a kilowatt-hour (kWh)?

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Why should a lead acid battery not be left in discharge state for long otherwise?

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Why lead acid battery should not be left in discharged state for long otherwise?

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Why is my battery plugged in but not charging?
Answer : When your battery is plugged in but not charging, it can be due to a few reasons. Here are some common ones: 1. **Power Settings**: Sometimes, your laptop or device might have power ... limiting battery charging. Try these steps and see if any of them help get your battery charging again!...

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Why is my battery not charging even though its plugged in?

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Why is apparent power measured in VA?
Answer : Apparent power is measured in **volt-amperes (VA)** because it represents the total power in an AC (alternating current) circuit, which combines both the real power (active power) and ... active and reactive components, without considering whether the power is actually doing useful work or not....

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Why is a hydrometer not used to measure the state of charge of a nickel-cadmium battery?

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Why battery should not be discharged fully?
Answer : Batteries should not be fully discharged because it can shorten their lifespan and reduce their efficiency over time. Here's why: 1. **Battery Chemistry Damage**: Most rechargeable batteries (like lithium ... them when they reach around 20-30% capacity, rather than letting them get down to 0%....

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Why the lead acid battery should not be allowed to discharge beyond 1.75 V ?

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Why is my 12V battery not charging?
Answer : If your 12V battery isn't charging, there could be a few reasons for this. Here's a list of common causes and checks you can go through: ### 1. **Charger Issues:** - ** ... functioning properly, replacing it may be the best option. Would you like help checking any of these steps specifically?...

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Why is my power a battery not charging?
Answer : There are several reasons why your battery might not be charging. Here are some of the most common causes and solutions you can check: ### 1. **Faulty Charger or Cable** - **Problem**: ... seem to work, you might want to have the battery or device professionally inspected to find the root cause....

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Why is my rechargeable battery not charging fully?
Answer : There could be several reasons why your rechargeable battery isn't charging fully. Here are some common causes: ### 1. **Battery Age or Wear** - **Lithium-ion batteries** (commonly used in ... solve the issue, you may need to replace the battery if it's no longer holding a charge properly....

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Why is my battery not charging even though it says it is?
Answer : If your battery shows that it's charging but isn't actually charging, there could be several reasons for this issue. Here are some common causes: ### 1. **Faulty Charging Cable or Adapter** ... replacing it. If none of these work, it could be worth getting the device checked by a professional....

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In three pin plug 6 Amp. 220v AC rating. why earth pin diameter is higher than other two pin? what its purpose ?
Answer : In a three-pin plug with a 6 Amp, 220V AC rating, the earth pin (also called the grounding pin) has a larger diameter than the live and neutral pins. This design has a ... and proper functioning, ensuring that the device is grounded effectively before any other electrical connections are made....

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Why UPS rating in kVA?
Answer : The rating of a UPS (Uninterruptible Power Supply) is given in kVA (kilovolt-amperes) instead of kW (kilowatts) because it accounts for both the real power (kW) and the reactive power ( ... (real and reactive), ensuring it can support the full electrical load under varying power factor conditions....

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Why transformer rating in kVA?
Answer : Transformers are rated in **kVA** (kilo-volt-amperes) because the rating reflects the **apparent power** (which combines both real power and reactive power) that the transformer can handle, rather than ... 's capability that works for all types of loads, whether their power factor is high or low....

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What is 12V in Ah?
Answer : To convert 12V to amp-hours (Ah), we need more information about the current drawn over time. Voltage (V) and amp-hours (Ah) are related, but they measure different things. - **Voltage (V)** ... If you only know the voltage (12V), you can't directly convert it to Ah without this extra information....

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

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Why the voltage and current are not in phase across a capacitor and inductor?

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Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?

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How do I fix my battery plugged in but not charging?
Answer : If your laptop or device shows "plugged in, not charging," there are a few common solutions you can try to fix the issue: ### 1. **Check the Power Adapter and Cable** - Ensure that the ... you may need to replace the battery. Give these steps a try, and hopefully, it will resolve the issue!...

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What is the full form of Ah?
Answer : What is the full form of Ah?...

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