A capacitor and a battery both store energy, but they are only superficially similar. A battery tries to be a constant voltage source, but in reality ends up being more like a constant voltage source in series with a resistor. A capacitor is nowhere near a constant voltage source. battery stores energy in a chemical medium, while a capacitor stores it in an electric field. Now you could argue on deep principles that the chemical medium is just storage in the position of electrons in the material, but as we commonly understand it they are quite different.
Learn how working with Merrill Lynch starts with you. How Merrill Lynch financial advisors can help and provide solutions for your financial priorities. Learn how working with Merrill Lynch starts with you. How Merrill Lynch financial advisors can help and provide solutions for your financial priorities. Skip To Content
1 The main idea is the central concept or topic for the piece of writing. Reviewing the first and final paragraph will usually clarify the main idea.  The purpose of persuasive writing is the reason the author is writing, which is the belief or the action the author wants to convince the reader to believe or do.