Power Ratio
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Power Ratio Calculator

Dipole xmting antenna animation 4 408x318x150ms

Animation using gif, by Chetvorno, via Wikimedia Common

Shown above is a good visualization of transmitting Radio Frequency (RF). This animation does not represent the real time travel speed of RF which is 30 kHz to 3 GHz. It was slowed down for visualization.

All electromagnetic waves including RF their travelling speed in vacuum or outer space is the same as the speed of light, meaning 300,000 km/sec. We can use this knowledge to estimate the speed of a webpage that can be downloaded anywhere in the world.

Application of RF speed and Optical speed in fiber optics in relation to internet webpage access time. Assuming you are in Philippines which is about 13,215 km from US datacenter that manages INVBAT.COM web server and you click the webpage www.invbat.com, what is the estimated return time of the signal to your internet device? Answer total return time is 0.0881 sec. Assuming another 0.0881 time delay, INVBAT.COM webpage should be loaded in 0.1762 seconds. This calculation is valid if your data travels using RF and Fiber Optic Networks. But if you are using satellite with approximately 35,786 km from anywhere on the earth. The return time is 0.2386 seconds. Again assuming another 0.2386 seconds time delay, INVBAT.COM webpage should be loaded in 0.4772 seconds. This webpage access time is still very fast less than 1 second. So if it is taking more than 1 second, you need to remember that data signal travels several hundreds of router switches around the world and also your internet devices are storing data in memory cache to speed up your next access time. Soon you will have a faster download speed as more cloud technology web servers are becoming widespread, fiber optics cables, RF transmitter/receiver, and satellite transmission path are becoming common worldwide.

How to compute the Power Ratio
Given Poweroutput in W and Powerinput in mW

Given power output of RF amplifier is 10 W and the power input is 1 mW.

Solve for the Power Gain in dB.

Pr in dB ANSWER

= 10 *Log 10
Po in Watts

Pi in milliWatts


Here mW ( milliWatts ) is converted to 0.001 W in the program. Hence no need to write 0.001 just enter 1 for 1 mW.

But in manual computation use 1 mW = 0.001 W the reason is the Power ratio has no unit. Meaning the Watts unit in numerator must be divided by Watts unit in denominator in order to cancel out the unit.



Given power gain of RF amplifier is 40 db and the input power is 1 mW.

Solve for the power output in watts.

dB
= 10 *Log 10
Po in Watts

Pi in mW

Power output, Mp = Watts ; ANSWER

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Source: How People Learn II: Learners, Contexts, and Cultures




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How can IN-V-BAT-AI be used in classrooms ?

IN-V-BAT-AI is a valuable classroom tool that enhances both teaching and learning experiences. Here are some ways it can be utilized:

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🧠 Augmented Intelligence vs Artificial Intelligence

Understanding the difference between collaboration and automation



🔍 Messaging Contrast

Augmented Intelligence is like a co-pilot: it accelerates problem-solving through trusted automation and decision-making, helping you recall, analyze, and decide — but it never flies solo.

Artificial Intelligence is more like an autopilot: designed to take over the controls entirely, often without asking.

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Note: This is not real data — it is synthetic data generated using Co-Pilot to compare and contrast IN-V-BAT-AI with leading EdTech platforms.





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Approximately between 2.3 and 2.5 million schools globally, according to the latest available data from government and education ministry reports.


🔗 The challenges schools face: 2025/2026 🔗 USA ~ Public 98,500 ~ Private 30,000 ~ Total 128,500 🔗 Canada ~ Public 15,500 ~ Private 2,000 ~ Total 17,500 🔗 Brazil ~ Public 138,000 ~ Private 40,000 ~ Total 178,000 🔗 Vietnam ~ Public 42,000 ~ Private 8,000 ~ Total 50,000 🔗 China ~ Public 217,200 ~ Private 152,800 ~ Total 470,000 🔗 India ~ Public 1,022,386 ~ Private 335,844 ~ Total 1,358,230 🔗 Japan ~ Public 30,240 ~ Private included ~ Total 30,240 🔗 Morocco ~ Public 20,600 ~ Private 6,300 ~ Total 26,900 🔗 Indonesia ~ Public 390,718 ~ Private included ~ Total 390,718 🔗 Philippines ~ Public 47,831 ~ Private 13,000 ~ Total 60,831 🔗 Great Britain ~ Public 29,202 ~ Private included ~ Total 29,202 🔗 Australia ~ Public 9,653 ~ Private included ~ Total 9,653 🔗 Russia ~ Public 39,070 ~ Private included ~ Total 39,070 🔗 Germany ~ Public 31,039 ~ Private included ~ Total 31,039 🔗 Poland ~ Public 36,291 ~ Private included ~ Total 36,291 🔗 Iran ~ Public 80,000 ~ Private included ~ Total 80,000 🔗 France ~ Public 58,100 ~ Private included ~ Total 58,100 🔗 Mexico ~ Public 132,505 ~ Private included ~ Total 132,505

Use an estimated range of 200 to 400 students per school if student enrollment is the only available data.


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