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Physics > Electricity And Magnetism > Flashcards

Electricity And Magnetism Flashcards

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1
Q

Charged particles not moving

A

Static electricity

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2
Q

Charged oarticles moving

A

Current electricity

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3
Q

Charged oarticles moving

A

Current electricity

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4
Q

Current in circuit directly proportional to electric potential difference and inversele to resistance

Greater battery voltage -> greater current -> less resistance

I= V/R

I= current
V=Voltage
R= resistance

A

Ohm’s law

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5
Q

Charges passing thru per unit of time

Unit Å amperes

A

Current

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6
Q

Electric potential difference that cause charges to move

Unit V volts

A

Voltage

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7
Q

Opposition on movement of charges

Dependent on the properties of material of conductor

Unit Ohms

A

Resistance

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8
Q

Loads are connected end to end

One path for current

A

Series circuit

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9
Q

Current has 2 or more paths to flow upon

A

Parallel circuit

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10
Q

Quantity of work a circuit can do

Amt of electrical energy transferred per unit time

Unit W Watts or Joule/sec

A

Electrical Power

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11
Q

Physical manifestation of force caused by magnets

A

Magnetism

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12
Q

Forces between 2 charged objects

Distance increase -> force and electric field increase

Fe= kq1q2/r²

A

Coulomb’s Law

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13
Q

Spontaneously passed between 2 bodies due to temperature difference

A

Heat

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14
Q

Total Kinetic energy in object

A

Temperature

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15
Q

Absolute zero temperature

A

Kelvin

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16
Q

Expansion
Temperature change
Phase change

A

Effects of Heat

17
Q

Materials expand in volume when heated

A

Expansion

18
Q

Amt of heat needed to raise the temperature up by 1⁰c

c= Q/m • delta T

A

Specific heat

19
Q

Physical characteristica of substance change from one form to another

Change in internal energy not temperature

A

Phase change

20
Q

Heat needed to change the phase of a substance without changing temperature

delta H = Q/m

A

Latent heat

21
Q

Transfer thru contact

Thru solid

A

Conduction

22
Q

Transfer in liquids and gasses

A

Convection

23
Q

Transfer of heat without contact

Radiate heat

Can be used in vacuum

A

Radiation

Physics (8 decks)

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