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Who made the first BATTERY?

Asked by Sugantha Rajan 05/02/2015 Last Modified 05/02/2015

12 Answers

Learn Class XI-XII Tuition (PUC)

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Related Questions

How important is theoritical understanding in practical subjects like accounts ? After all students just need to work out the problems given in the exams. Most of the students don't like theory notes in practical subject like accounts.

Theoretical understanding is the base for the numerical one. It helps in understanding the basic problem of a question and also provide interest while solving a question.. For g.g. If any student is...

Amjad P.

0 0

Do you have online classes for Math?

yes

Padma

5 1

Hi, I have registered in UrbanPro days back. I want to teach Economics to class XI and XII and above students (CBSE syllabus preferred). Students can ask me 5 Questions daily on economics and I will be answering their Questions in between 7 PM to 9PM on daily basis. My problem is I am getting a number of such questions which are not related to economics. I want UrbanPro to send me only those questions which are related to economics. I would also like to know how students will contact me? Initially, I am not charging any money. Can anyone please help me in this regard?

u can change your settings notification. If the student wants to contact u, ur suppose to pay n register.

Manoj

0 0

What are the 3 Types of networks..?

They are as follows : LAN (local area network), MAN (metropolitan area network) and WAN (wide area network).

RAJESH N.

1 0

Hi friends. I thought of sharing something wonderful i found on web so that it can help all of us & augment our understanding of the topic - 'Limit' . I have shared the complete pdf in my profile gallery or the original web link at the end of this post. An Intuitive Introduction To Limits Limits, the Foundations Of Calculus, seem so artificial and weasely: “Let x approach 0, but not get there, yet we’ll act like it’s there… ” Ugh. Here’s how I learned to enjoy them: What is a limit? Our best prediction of a point we didn’t observe. How do we make a prediction? Zoom into the neighboring points. If our prediction is always in between neighboring points, no matter how much we zoom, that’s our estimate. Why do we need limits? Math has “black hole” scenarios (dividing by zero, going to infinity), and limits give us a reasonable estimate. How do we know we’re right? We don’t. Our prediction, the limit, isn’t required to match reality. But for most natural phenomena, it sure seems to. Limits let us ask “What if?”. If we can directly observe a function at a value (like x=0, or x growing infinitely), we don’t need a prediction. The limit wonders, “If you can see everything except a single value, what do you think is there?”. When our prediction is consistent and improves the closer we look, we feel confident in it. And if the function behaves smoothly, like most real world functions do, the limit is where the missing point must be. Key Analogy: Predicting A Soccer Ball (associated pics in original post) Pretend you’re watching a soccer game. Unfortunately, the connection is choppy: So we missed what happened at 4:00. Even so, what’s your prediction for the ball’s position? Easy. Just grab the neighboring instants (3:59 and 4:01) and predict the ball to be somewhere in between. And… it works! Real world objects don’t teleport? they move through intermediate positions along their path from A to B. Our prediction is “At 4:00, the ball was between its position at 3:59 and 4:01?. Not bad. With a slow motion camera, we might even say “At 4:00, the ball was between its positions at 3:59.999 and 4:00.001?. Limits are a strategy for making confident predictions. Limits aren’t the only tool for checking the answers to impossible questions; infinitesimals work too. The key is understanding what we’re trying to predict, then learning the rules of making predictions. Happy math. (Original author - Mr. kalid ) Original post link: http://betterexplained.com/articles/an-intuitive-introduction-to-limits/ My profile link: https://www.urbanpro.com/delhi/pankaj-k/2531974 You may find more interesting stuff and information that can be of some help to you. I will be adding more pdfs in gallery soon . Sharing is caring.

If one wants the pdf in my galley on 'limits' can give a better understanding of the same material.

Pankaj

5 2

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