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When to use I²R, V²/R or VI while calculating Electric Power?

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I came across a question that was asked to me quite a couple of time: When to use I²R, V²/R or VI while calculating power? At first, the question looks simple and as if it needs no formal explanation but that's not the case. Use of any of them will give the correct result provided that you apply it correctly. Correct application is possible only when you understand the type of circuit you are dealing with. Another important point is to use the one which is going to take less time and help you calculate easily. All of the three equations tell the same thing but their usage is subject to the type of problem you're trying to solve. Let us understand when, how an what to use while calculating power in an electrical circuit.
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CONVERT AC TO DC using transistors cheaply and Easily | RECTIFIER

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 Happy New Year everybody out there and sorry for the late update. So, This video describes how to make a full bridge rectifier SIMPLY and CHEAPLY at home using basic transistors. Must watch. I hope you will like this video. Please share this video if you have liked and do subscribe to my channel. This encourages me to bring more such informative videos on Electrical Engineering in future for you. Thanks.
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Make a full bridge rectifier SIMPLY and CHEAPLY | DIY-EXPLAINED

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This video describes how to make a full bridge rectifier SIMPLY and CHEAPLY at home using basic electronic components. Please note that I have used LEDs, you can use even BC547 Transistors and they work great. Be sure that the whole system is safe. Add 10kOhm resistors with LEDs if required.  I hope you will like this video. Please share this video if you have liked and subscribe to my channel. This encourages me to bring more such informative videos on Electrical Engineering in future. Thanks.
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Why Starters are required in Electric Motors? - EXPLAINED

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Why Starters are required in Electric motors? - EXPLAINED This video describes the basic use of starters in case of an Alternating or Direct Current Motors. By the terminology we understand that a starter is required during starting a motor but this video explains it why. If you like this video, please do subscribe to the channel and share this video. Thanks.
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Alternator V/s Generator : What's the difference?

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Alternator V/s Generator Alternator and Generator: Are they same or is there a difference? Watch this video to understand where the differences are if any and do subscribe to my YouTube channel as well as this blog to get more such informative posts and videos in future. Thanks.
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How does a TUBELIGHT work ? EXPLAINED

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This video describes working of a Tubelight really simple and I hope you will love it. Don't forget to SUBSCRIBE to my YouTube channel and this blog. The Subscribe option for this blog is at the top of this post. Subscribe to get more such informative posts and videos right in your E-mail. This encourages me to bring more such informative posts and videos. Thanks
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Working of an Electronic Fan Regulator EXPLAINED SIMPLY

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Electric generation from fan. How about it?

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The Reverse Psychology One of the c'mon questions always revolve around is that is it possible to convert any sort of Electric motor to electric generator. Well the answer is yes except a few which can't. DC motors and generators are ideal machine for this because one can be easily converted to other just by changing the input from Electrical to mechanical or vice-versa. The normal type or simplest motor that we use in our household is a fan or better if you have an exhaust fan or a table fan rather than a ceiling fan. The electricity when provided to a single phase Induction motor within this fan, it produces torque for the fan to move. But as I said, it is easy to convert a motor to generator just by changing the input from electrical to mechanical, is it possible here in case of a fan? Well yes, and I have made this video to describe how this motor can be used for generating electricity though not useful enough except lighting some LEDs, but this is really a great,
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