Electrostatic & Electrodynamics Flashcards

1
Q

study of stationary electric charges

A

electrostatic

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2
Q

two types of electric charge

A

cations and anions

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3
Q

positively charge ions results from the loss of electrons

A

cations

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4
Q

negatively charge ions results from the gain of electrons

A

anions

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5
Q

it is the process of adding or removing electrons from an object

A

electrification

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6
Q

three types of electrification

A

contact, friction and induction

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7
Q

in three types of electrification, it is a connection that causes the flow electrons

A

contact

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8
Q

in three types of electrification, it is a buildup of electron caused by rubbing of object together

A

friction

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9
Q

in three types of electrification, using the electric field of a charged object to confer a charge on an uncharged object

A

induction

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10
Q

it is the build up of electric charges

A

static electricity

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11
Q

it is called when an object that has too few or too many electrons

A

electrified

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12
Q

4 Laws under Electricity

A

electrostatic law
coulumb’s law
electric charge distribution
electrified charge concentration

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13
Q

unlike charges attract ; like charges repel

A

electrostatic law

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14
Q

it is when electrostatic force is directly proportional to the product of the charges and inversely proportional to the square of the distance between them

A

coulumb’s ;aw

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15
Q

it is when an object become electrified, the electrical charges are distributed throughout the object such as thunder cloud

A

electric charge distribution

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16
Q

it is when electric charges are concentrated along the sharpest curvature of the surface such as electric cattle rod

A

electrified charge concentration

17
Q

it is the stored energy and it has the ability to work when the energy is released

its unit is volt (V)

sometimes termed as electromotive force (EMF) or voltage

A

electric potential

18
Q

it is the study of charges in motion

A

electrodynamics

19
Q

four electrical state of matter

A

conductors, insulators, semiconductors and superconductivity

20
Q

in four electrical state of matter, it is a matter through which electrons flow easily like copper, aluminum and water

A

conductors

21
Q

in four electrical state of matter, it is a matter that inhibits the flow of electrons like glass, clay and earth like material

A

insulators

22
Q

in four electrical state of matter, it is a matter that under some conditions behaves as an insulator or act as a conduction like silicon and germanium

A

semiconductors

23
Q

in four electrical state of matter, it is the property of limited resistance to electron flow below critical temperature that allows the flow of electron without any resistance

A

superconductivity

24
Q

it is the result when the resistance is controlled and the electron flow over a closed path

A

electic circuit

25
Q

electric current are measured in ___

A

ampere (A)

26
Q

electric potential is measured in ___

A

volt (V)

27
Q

it is the law that states that the voltage across the total circuit or any portion of the current is equal to the current times the resistance

A

ohm’s law

28
Q

it is the opposition to the flow of an electric current, producing heat

the greater the ____, the less current gets through

A

resistance

29
Q

two types of electric circuits

A

series and parallel

30
Q

two types of currents

A

direct and alternating

31
Q

it is a type of current where electrons flowing in one direction along the conductor where electrons flow in the same direction in a wire

A

direct current

32
Q

it is a type of current where electrons oscillates back and forth electrons flow in different directions in a wire

A

alternating current

33
Q

electric power is measured in ___

A

watts (W)