Electrics Flashcards by Edward Dennis | Brainscape

Q

In what direction does current flow

A

Negative to positive actually

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Q

Equation for voltage

A

V =W

Q

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Q

Equation for electrical power

A

P= IV

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Q

Equation for voltage

A

V= IR

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Q

Equation for resistivity

A

Roh = RA

L

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Q

Pd in parrallel

A

Adds up from each component to get emf

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Q

Equation for resistors in series

A

r tot = r1 + r2 …..

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Q

Resistors in parallel

A

1 over the series one

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Q

Power loss equation

A

P= I(2) R

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Q

Emf equation

A

E = I(R+r)

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Q

Potential divider resistance and voltage equation

A

V1 R1
– = –
V2 R2

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Q

What do you use to measure an ac current

A

Oscilloscope

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Q

Equation for charge

A

Q= I T

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