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RADT 1085 Test 1 Questions with Correct Answers

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radt 1085 test 1 questions with correct answers
how does an object become electrified
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RADT 1085 Test 1 Questions with
Correct Answers
How does an object become electrified? - Answer-Electrons are added to or subtracted
from this object

The five laws of electrostatics are: - Answer-1) Repulsion-attraction
2) Inverse square law
3) Distribution
4) Concentration
5) Movement

Electrification can be caused by what three methods? - Answer-Friction, contact,
induction

Out of the 3 ways an object can become electrified, which is the most important? -
Answer-Induction because it is the method used in the operation of electronic devices

_________ is the process of electrical fields acting on one another without contact -
Answer-Induction

Electrons that are moving in predominately the same direction are often referred to as
an ___________ - Answer-Electric current

What kind of solutions can cause electrons to migrate to positive or negative poles
during electrolysis, when they are subjected to an electric current? - Answer-Ionic
solutions

Electrons move from ______ concentration to ______ concentration - Answer-High, low

Electrons flow from _____ to _____ poles - Answer-Negative, positive

Conventional electric current flows from ______ to ______ poles - Answer-Positive,
negative

The quantity of electrons flowing is referred to as the ______ - Answer-Current

Current is measured in _____ - Answer-Amps

There (does/does not) have to be an actual flow of current for potential difference to
exist - Answer-Does NOT

, _________ is the best term to describe the force or strength of electron flow - Answer-
Potential difference

Because _________ is the prime force causing electrical devices to convert electrical
energy to mechanical, the term electromotive force has also been used. - Answer-
Potential difference

The unit of potential difference is the ____ - Answer-Volt

The force with which electrons travel can be described by the terms ________ ,
________ and _________. - Answer-Potential difference, electromotive force, and
voltage

_______ and _______ are the terms used to describe current opposition - Answer-
Resistance, impedance

4 primary factors that affect resistance - Answer-1) Ability to conduct electrons
2) Length of the conductor
3) Diameter of conductor
4) Temperature

____ is one of the fundamental forces - Answer-Magnetism

When a charged particle is in motion, a magnetic force field (perpendicular/parallel) to
the motion will be created - Answer-Perpendicular

The closed loop of orbiting electrons cancels all but the field that is perpendicular to the
plane of motion. This perpendicular magnetic force is called the _____ . - Answer-
Orbital Magnetic Moment

Magnetic effect caused by electrons spinning on their axes - Answer-Spin Magnetic
Moment

What causes atoms to exhibit a net magnetic field in a distinct direction? - Answer-
Having a significant number of electrons with their magnetic moments in the same
direction, especially when their outer shells are involved.

Groups of atoms with a net magnetic field in a distinct direction are known as what? -
Answer-Magnetic dipoles or magnetic domains

The force fields created when magnetic dipoles orient to create a magnet are called
_______ , ________ or ________ . - Answer-Lines of force, lines of flux, magnetic field.

A step down transformer can also be referred to as _______ . - Answer-Filament

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