electrostatics Flashcards by Zainab Mahawish

Q

force?

A

kq1q2/r^2 , k= 9*10^9

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Q

EF?

A

kq/r^2 , F/Q

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Q

w?

A

qv, PE[cos1-cos2]

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Q

EF axis of dipole

A

k2pr/[r^2-a^2]^2, k2p/r^3

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Q

EF on equatorial plane

A

-kp/[r^2+a^2]^3/2, -kp/r^3

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Q

dipole in uniform external EF experience ?

A

torque only

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Q

dipole in non uniform EF experience ?

A

torque and force

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Q

flux?

A

E.A, EAcos

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Q

unit pf flux

A

NC^-1m^2

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Q

gauss eqn

A

flux=q/Eo

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Q

EF due to infinitely long wire

A

lambda/2pieEor

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Q

EF due to infinite plane sheet

A

sigma/2Eo

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Q

A

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