# Ch 22

Total word count: 1074
Pages: 4

### Calculate the Price

- -
275 words
Looking for Expert Opinion?
Let us have a look at your work and suggest how to improve it!
 An electron and a proton attract each other. A fundamental rule of electricity is that both of these The pair of protons in the nucleus of a helium atom attract a pair of orbiting electrons. To become a positive ion, an atom must lose an electron It is said that electric charge is quantized, which means that the charge on an object is a whole-number multiple of the charge of one electron The electrical force between charges is strongest when the charges are close together Particle A has twice the charge of nearby particle B. Compared to the force on Particle A, the force on Particle B is the same. Two charges that are separated by one meter exert 1-N forces on each other. If the charges are pushed together so the separation is 25 centimeters, the force on each charge will be 16 N Superconductors most often require low operating temperatures. Superconductors are noted for their absence of electric resistance. Two charged particles held close to each other are released. As they move, their speeds increase. Therefore, their charges have either of these Rub electrons from your hair with a comb and the comb becomes negatively charged. To say that an object becomes electrically polarized means that its charges have been rearranged. An uncharged pith ball is suspended by a nylon fiber. When a positively-charged rubber rod is brought nearby, the pith ball moves toward the rod. The electrical force on a 2-C charge is 60 N. The electric field where the charge is located is 30 N/C. A reason for electric shielding inside a conductor is that any free electrons inside would be set in motion until equilibrium is established, on the outside. When a car is struck by lightning, the resulting electric field inside the car is zero Imagine a single charge q placed on one corner of a square, and that the electric field at the center of the square is F/q. If additional equal charges are placed on the other three corners, the electric field at the center of the square due to these four equal charges is none of the above The electric field inside the dome of a Van de Graaff generator depends on the none of the above Normally a small party balloon charged to several thousand volts will have a relatively small amount of both of these The vast numbers of electrons in a coin don’t fly off the surface because they are attracted by an equal number of protons. Just as "gravity" is the study of a wide range of gravitational interactions, "electricity" is the study of a wide range of electrical interactions A positive ion has more protons than electrons To say that electric charge is conserved means that no case has ever been found where net charge has been created or destroyed Two protons attract each other gravitationally and repel each other electrically. The stronger of these two forces is electrical A main difference between gravitational and electric forces is that electrical forces repel or attract Two charges that are separated by one meter exert 1-N forces on each other. If the magnitude of each charge is doubled, the force on each charge is 4 N Insulating materials are composed of atoms with tightly bound outer electrons. Two charged particles held a certain distance apart are released. As they move, the acceleration of each decreases. Therefore, their charges have the same sign A balloon will stick to a wooden wall if the balloon is charged either of these An uncharged pith ball is suspended by a nylon fiber. When a negatively-charged rubber rod is brought near the pith ball, without touching, the ball becomes polarized. Every isolated proton in the universe is surrounded by its own both of these The electric field inside an uncharged metal ball is zero. If the ball is negatively charged, the electric field inside the ball is then zero. A proton and an electron are placed in an electric field. Which undergoes the greater acceleration? electron An electron is pushed into an electric field where it acquires a 1-V electrical potential. If two electrons are pushed the same distance into the same electric field, the electrical potential of the two electrons is 1 V The fundamental force underlying all chemical reactions is electrical Which of these has the greatest mass? proton If electrons are stripped from an atom it becomes a positive ion To become a negative ion, an atom must gain an electron Two charged particles repel each other with a force F. If the charge of one of the particles is doubled and the distance between them is also doubled, then the force will be F/2 The electrical force between electric charges depends only on their both of these Two charges separated by one meter exert 1-N forces on each other. If the charges are pulled 3 meters apart, the force on each charge will be 0.11 N A semiconductor can be … A conductor differs from an insulator in that a conductor has more None of these Two charged particles held a certain distance apart are released. As they move, the force on each particle increases. Therefore, their charges have opposite signs Electrons can be transferred from one place to another by the process of all of the above Electric charge distributes itself on conducting surfaces both of the above The electric field between oppositely-charged parallel plates is uniform The force that binds atoms together to form molecules is electrical In an electrically neutral atom the number of protons in the nucleus is equal to the number of electrons that surround the nucleus The unit of electric charge, the coulomb, is the charge on a specific large number of electrons. The primary purpose of a lightning rod is to discharge the structure to which it is attached. Before a thunder storm, clouds in the sky likely become polarized Much of the charge on a conducting cube is mutually repelled toward its corners. During a lightning strike you don’t want to be inside a building framed with wood If 10 J of work is used in pushing 1 C of charge into an electric field, its electric potential relative to its starting position is 10 V Two charged particles repel each other with a force F. If the charge of one of the particles is doubled and the distance between them is halved, then the force will be None of these

### More flashcards like this

#### NCLEX 10000 Integumentary Disorders

When assessing a client with partial-thickness burns over 60% of the body, which finding should the nurse report immediately? a) ...

#### NCLEX 300-NEURO

A client with amyotrophic lateral sclerosis (ALS) tells the nurse, "Sometimes I feel so frustrated. I can’t do anything without ...

#### NASM Flashcards

Which of the following is the process of getting oxygen from the environment to the tissues of the body? Diffusion ...

## Unfinished tasks keep piling up?

Let us complete them for you. Quickly and professionally.

Check Price 