Physics Exam 2 Flashcards by Megan Aldridge

Q

Value of K

A

1/(4*pi*epsilon not)

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Q

Value of Eo

A

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Q

Coulombs Law. Electrostatic force between two charges at rest

A

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Q

Charge of an electron

A

1.6E-19

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Q

Definition of electric field

A

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Q

Electric Field due to a Point Charge

A

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Q

Force on a Point charge in an electric field

A

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Q

Gauss’ law. Net charge in a closed surface

A

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Q

Equation for flux

A

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Q

Electric field in terms of charge density and Eo

A

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Q

Electric field at any point due to an infinite line charge

A

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Q

Electric field due to an infinite nonconducting sheet

A

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Q

electrical field outside a shell

A

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Q

electrical field inside a uniform sphere

A

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Q

potential energy difference in terms of Q and W

A

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Q

electric potential in terms of U and Q

A

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Q

Potential due to point charges

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A

A positively charged particle produces a positive electric potential. A negatively charged particle produces a negative electric potential.

Q

Electric field in terms of Electric potential

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A

Q

Electric Potential of a System of Point Charges

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A

Q

Basic equation for capacitance

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A

Q

Pico

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A

E-12

Q

micro

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A

E-6

Q

Nano

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A

E-9

Q

Equation for a Parallel plate capacitor

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A

Cylindrical capacitor

Equation for a Spherical Capacitor

Capacitors in series must have the same

Q only SERI Q

Capacitors in parallel must have the same

V, potential difference PAR V

equivalence capacity for parallel C1 and C2

C1+C2

equivalent capacitance for C1 and C2 in series

C1C2/ (C1+C2)

What is Gauss' law with the definition of flux included?

What is the direction of an electric field?

Electric field due to a dipole

p is the dipole moment and the direction of p is from the negative to the positive end of a dipole

sign of Qenc and the direction of the net flux of a closed surface

If qenc is positive, the net flux is outward; if qenc is negative, the net flux is inward.

What is the equation for work?

Equation for Potential Difference in terms of electric field

Potential due to a continuous chare distribution

How can you find the potential energy when you have a charged particle a distance d, from an electric field?

U=Edq