Electrical engineering Flashcards by Nathan Giriza

Q

What is Ohm’s Law?

A

V = IR

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Q

What is the formula for electrical power?

A

P = VI, or P = I²R, or P = V²/R

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Q

What is the total resistance in a series circuit?

A

R_total = R₁ + R₂ + …

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Q

What is the total resistance in a parallel circuit?

A

1/R_total = 1/R₁ + 1/R₂ + …

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Q

What is Kirchhoff’s Current Law?

A

Total current into a junction = total current out

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Q

What is Kirchhoff’s Voltage Law?

A

The total voltage around a loop = 0

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Q

What is the formula for capacitance?

A

C = Q / V

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Q

How do capacitors add in parallel?

A

C_total = C₁ + C₂ + …

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Q

How do capacitors add in series?

A

1/C_total = 1/C₁ + 1/C₂ + …

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Q

What is the transformer turns ratio formula?

A

V₁ / V₂ = N₁ / N₂

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