Definition of Ohm in SI basic units in words - Physics Stack Exchange
2014年2月16日 · The definition of Ohm in SI basic units is: 1Ω = 1kg ⋅m2 s3 ⋅A2 1 Ω = 1 kg m 2 s 3 A 2 It's really hard for me to get that this definition is correct. It's clear that mathematical …
What is a basic physics general definition of a 'potential'?
2018年4月5日 · Physicists use the word "potential" in different ways in different contexts, so there is no completely rigorous and general definition. There is a unifying idea, but unfortunately it's …
Why does the metric system use "kilogram" as a base SI unit?
37 SI system uses all (that I know) measurement basic units as 1 (single) instance: meter, second, Ampère, etc, except for the KILOgram. It already defined with 1000 multiplier (kilo). It …
What's the standard "roadmap" to learning quantum physics?
What physics topics do I need to know to start learning about quantum mechanics? (In addition to the mathematical topics mentioned at What is the math knowledge necessary for starting …
What is a good introductory book on quantum mechanics?
For a basic short introduction to quantum mechanics, you can't beat: Feynman Lectures on Physics Vol III This is very good and intuitive, and complementary to the remaining books. …
classical electrodynamics - Why ONLY Maxwell's equations are the …
Except for the explicit mention that the question is intended to be answered in the classical domain, I don't see how "Why ONLY Maxwell's equations are the basic principles of …
forces - Why are basic physics problems neglecting to include ...
2015年10月27日 · Yes, most basic mechanics problems ignore drag effects (because those are hard, amongst other things). But, I live where the air pressure is ~10% less than sea level, and …
speed of light - Why is the meter considered a basic SI unit if its ...
2017年4月18日 · From a scientific point of view, the division of quantities into base quantities and derived quantities is a matter of an arbitrary convention, and is not essential to physics. The SI …
Proof that the Earth rotates? - Physics Stack Exchange
2013年5月29日 · What is the proof, without leaving the Earth, and involving only basic physics, that the earth rotates around its axis? By basic physics I mean the physics that the early …
Books for general relativity - Physics Stack Exchange
It starts with basic concepts of differential geometry and then explains general relativity using the geometric viewpoint. It also includes several advanced topics like spinors, quantum fields in …