0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What particle flows to produce electric current?
Huge numbers of electrons do.
How does nuclear power create electricity?
Well there is this huge water tank that cools this stuff down, then there is a furnace that heats it up again. Then it is made into electric stuff.
What opposing force must be overcome by charges flowing in electric current?
resistance It depends on what you mean by overcome. Resistance is usually what most people will say when what they actually mean is impedance. The difference between the two depends on the situation. For a steady flowing current (read flow of charges) that is not changing with time, then the two are the same. For a changing current then the two are distinctly different from each other as resistance is only a part of impedance, reactance making up the second part. Reactance can be classified into two types...capacitive and inductive reactance. At a microscopic scale, like if you could shrink yourself down and watch an individual "charge" then the answer becomes more complicated. In this case the answer is...NOTHING! The charge has no force to overcome if it was isolated on it's own in a vacuum in no electromagnetic field. That's not a practical situation and there is usually some type of material medium that the charges are bound to...like a copper wire. That's not always the case, but I'll assume that's the question your asking since it's a very common situation. In the copper wire case, the answer is collisions and electromagnetic fields. In the direct current case, the charges are colliding with each other and the copper atomic lattice. At normal temperatures the lattice is vibrating violently and traveling charges approach the lattice sites closely enough to be influenced by their localized electromagnetic fields. This causes the charges to change velocity and direction. They also can collide with each other since there are a huge number of them even in the small pieces of copper. So here you hit back against a basic definition of electric charge, that which is influenced by an electromagnetic field and you find the answer in that definition. The opposing force that must be overcome by charges flowing in electric currents is the force of electromagnetic fields.
What are similarities and differences between Coulomb law and Newton's law of universal gravitation?
Coulomb's Law states: The magnitude of the electrostatic force between two point electric charges is directly proportional to the product of the magnitudes of each charge and inversely proportional to the square of the distance between the chargesNewton's Law of gravitation states: Every point mass attracts every other point mass by a force pointing along the line intersecting both points. The force is proportional to the product of the two masses and inversely proportional to the square of the distance between the point masses:Similarity: 1) Both apply the inverse-square law; intenity inversely proportional to square of the distance. 2) Talking about spherical objects i.e. point charge, point mass. Differences: 1) one is about large mass; one is about small size huge charges. 2) Gravitation is ONLY ABOUT attraction and NO repulsion. Coulomb's force has both attraction and repulsion
Is lightning an example of heat energy?
No. Lighting is not the source, lightning is multiple types of energy. At first lightning is electric but when it strikes the energy converts its self into light and heat in which the lightning becomes visible. There is a law of energy stating that: Energy cannot be created or destroyed, only changed in form. Some various forms of energy might be chemical, nuclear, electrical, mechanical, heat, and waves/radiation (light). Lightning does not create energy, it simply transforms its type of energy and transfers it to another object, whether that object be air, a cloud, ground etc.
How is lightening caused?
There are two kinds of electric charges - positive and negative.When two clouds with unlike charges come very close to each other,the charge flows with high speed from one cloud to the other through air between them.A huge spark between the clouds is thus produced.This spark is called lightening.The sparking discharge from one cloud to the other lasts for a very short period of time,but,it releases a tremendous amount of heat and light.
Is electric charge a tiny amount of energy?
Depends on the amount of the electric charge and on which place it is stored. Two clouds with a big amount of a potential electric charge, one positive and the other negative, will produce a huge amount of energy represented by a lightning bolt.
What are huge clouds of helium and hydrogen called?
Vast interstellar clouds of hydrogen are known as "nebula."
Are there gas clouds in the Milky Way?
Yes, there are huge clouds of hydrogen gas, called nebulae.
Huge clouds of gas and dust floating in space?
nebula
What are the large clouds that look like huge puffs of cotton?
Cumulus.
Another name for huge clouds that create thunderstorms and tornadoes?
Cumulonimbus.
What huge clouds of helium and hydrogen serve as a birthplace for stars?
Nebulas.
What is the huge cloud of gas or dust found in space?
Magellanic Clouds .
How did ghanas rulers acquire huge amounts of gold?
The ghana rulers acquired a huge amount of gold because they sent a lot of miners to get them.
What are the large clouds that sometimes look like huge puffs of cotten?
Cumulus
How would you make an electric car?
You get lots of batteries and a huge, powerful electric motor
