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

A

Q

Dielectric mat, uniform external electrostatic field, polarization is

A

Always zero

Q

A

Q

Resistivity of conductor depends on

A

The temperature

Q

Dielectric strength indicates

A

Max value of potential difference

Q

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

A

Indeterminable

Q

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

A

Fa=Fb

Q

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

A

Depends on the square of surface charge density

Q

If electrostatic field is uniform

A

The algebraic sum of the free charges is zero

Q

Free to move in the presence of the same sign

A

Moves with variable acceleration with distance

Q

Guess law formula

A

False and shortest

Q

Two indefinite parallel planes equal in magnitude and sign

A

Electrostatic field is zero

Q

Dielectric is inserted

A

The dielectric induction field D remains constant

Q

What force F is subjected p inside E

A

Nothing

Q

A conductor in electrostatic equilibrium can contain charges in interior

A

NO

Q

A

Q

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

A

The polarization vector is solenoidal