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QUARTERLY 3rd QUARTER > PHYSICS > Flashcards

PHYSICS Flashcards

1
Q

at rest

A

STATIC

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2
Q

positive positive

A

REPULSION

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3
Q

negative negative

A

REPULSION

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4
Q

positive negative

A

ATTRACTION

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5
Q

result of imbalance f elementary particles, that can cause attraction/repulsion

A

STATIC ELECTRICITY

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6
Q

when vigorously rubbed with a piece of cloth it could attract nearby objects

A

Amber

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7
Q

electricity is derived from?

A

ELEKTRON

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8
Q

elektron means

A

Amber

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9
Q

type of energy that is associated with stationary or moving electrical charges

A

ELECTRICITY

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10
Q

fundamental property of matter and born with the elementary particles

A

ELECTRICAL CHARGES

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11
Q

si unit of charge

A

COULOMBS

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12
Q

cuolomb named after?

A

CHARLES AGUSTINE DE COULOMB

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13
Q

charge of proton /electron

A

1.602X10^-19

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14
Q

where is neutron and proton located/

A

INSIDE NUCLEUS

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15
Q

where is electron located?

A

AROUND NUCLEUS

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16
Q

MASS OF PROTON

A

1.673 X 10 ^-27

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17
Q

mass of neutron

A

1.675 X 10 ^27

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18
Q

mass of electron

A

9.109 X 10 ^ -31

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19
Q

materials that allow the charge to flow freely like metals

A

CONDUCTORS

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20
Q

materials that resist the flow of charges that holds the electrons tightly

A

INSULATORS

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21
Q

these are not conductive as metals but more conductive than plastics

A

SEMICONDUCTORS

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22
Q

improving conductivity

A

DOPING

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23
Q

no resistance to flow of charges

A

SUPERCONDUCTORS

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24
Q

when two different materials are rubbed together they charge

A

CHARGING BY FRICTION

25
Q

tends to gain more electrons

A

HIGH ELECTRON AFFINITY

26
Q

tends t0o give electrons

A

LOW ELECTRON AFFINITY

27
Q

physical contact between a charging body and a neutral bodyt

A

CHARGING BY CONDUCTION

28
Q

no contact charging

A

CHARGING BY INDUCTION

29
Q

electron attracted to neutral and protons repel

A

POLARIZATION

30
Q

formula for coulumbs law

A

K (Q1 Q2 )/ R2

31
Q

k is equals to?

A

9X10^9

32
Q

coulombs law unit

A

N.M^2/C^2

33
Q

the region of invisible force field by the charge to form attraction and repulsion

A

ELECTRIC FIELDS

34
Q

protons electric field

A

OUTWARD

35
Q

electrons electric field

A

INWARD

36
Q

electric field unit

A

N/C

37
Q

electric field formula

A

E = K(Q)/R^2

38
Q

ability of electric field lines to flow to surface area

A

ELECTRIC FLUX

39
Q

perpendicular electric flux

A

0 DEGREES

40
Q

parallel electric flux

A

90 DEGREES

41
Q

angled electric flux

A

DEPENDENT

42
Q

electric flux formula

A

EACOS THETA

43
Q

electric flux unit

A

N . m ^2/C

44
Q

net flux of an electric field in an enclosed surface is directly proportional to the enclosed electric charge

A

GAUSS LAW

45
Q

gauss law formula

A

Q/ ε0

46
Q

permitivity of space

A

8.85X10^-12

47
Q

nanocoulombs

A

X10^-6

48
Q

work done or energy moving all the charges to a point

A

ELECTRIC POTENTIAL ENERGY

49
Q

go with the flow

A

HIGH POTENTIAL ENERGY TO LOW POTENTIAL ENERGY

50
Q

go against

A

LOW POTEMTIAL ENERGY TO HIGH POTEMTIAL ENERGY

51
Q

generated in parallel conductive plates

A

UNIFORM ELECTRIC FIELDS

52
Q

property of elecrtric field line to pass through on a vacuum

A

PERMITIVITY OF FREE SPACE OR VACUUM

53
Q

involve actions at a distant forces

A

ELECTRIC FIELDS

54
Q

consereves mechanical energy

A

GRAVITATIONAL ENERGY

55
Q

more protons

A

POSITIVE CHARGE

56
Q

more electrons

A

NEGATIVE CHARGE

57
Q

equal protons and electrons

A

NEUTRAL CHARGE

58
Q

magnitude of electric forces between 2 points of charges is directly propotional to the charges and inversely proportional to the square of distance between them

A

COULOMBS LAW

59
Q
A

QUARTERLY 3rd QUARTER (10 decks)

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