Fuck physucs Flashcards by Nig'matilla Gayupov

Q

Properties of the induction vector D

A

((D*nd£=Q

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Q

Drude model

A

Electrical Conductivity is independent of E

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Q

Charge density rho

A

rho = dp/dt = -∆ * j

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Q

J formula

A

J = enVd

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Q

Rho formula

A

Rho = Q/V

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Q

Rho formula (Anduraufs equation)

A

Rho / £=∆ *E

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Q

E formula

A

E=V/D

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Q

P formula

A

P =£XeE

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Q

Rho p formula

A

Rho p = -∆*p

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Q

D formula

A

D=£o*E + K

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Q

V formula

A

V=E*D

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Q

E formula

A

E = kq/d^2

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Q

Sigma formula

A

Sigma = q/s

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Q

Flux formula

A

Flux = q/£o

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Q

Given a sphere with a uniform charge density rho, E is the field outside the sphere:

A

E is equivalent to that generated by a point charge placed in the center

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Q

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A

Q

Dielectric mat, uniform external electrostatic field, polarization is

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A

Always zero

Q

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A

Q

Resistivity of conductor depends on

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A

The temperature

Q

Dielectric strength indicates

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A

Max value of potential difference

Q

Electrostatic potential is null, electric field at the same point is

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A

Indeterminable

Q

The flow produced by a point charge through two closed….

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A

Fa=Fb

Q

Energy density of the electric field vary between the plates of a flat capacitor

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A

Depends on the square of surface charge density

Q

If electrostatic field is uniform

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A

The algebraic sum of the free charges is zero

Free to move in the presence of the same sign

Moves with variable acceleration with distance

Guess law formula

False and shortest

Two indefinite parallel planes equal in magnitude and sign

Electrostatic field is zero

Dielectric is inserted

The dielectric induction field D remains constant

What force F is subjected p inside E

Nothing

A conductor in electrostatic equilibrium can contain charges in interior

NO

Isotropic linear dielectric with relative dielectric constant k, if 0 then

The polarization vector is solenoidal