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Hvac > Formulas > Flashcards

Formulas Flashcards

1
Q

How do you find voltage?

A

Amps(I) x resistance(R)

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2
Q

How do you find amps?

A

Volts(E) / resistance(R)

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3
Q

How do you find resistance?

A

Volts(E) / amps(I)

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4
Q

What is the formula for finding voltage in a parallel circuit?

A

ET= E1=E2=E3=……

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5
Q

What is the formula to find amps in a parallel circuit?

A

IT=I1+I2+I3+…….

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6
Q

What formula do you use to find resistance in a parallel circuit with 3 or more resistors?

A

1
_______________
1/R1+1/R2+1/R3…

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7
Q

What formula do you use to find resistance in a parallel circuit with 2 resistors?

A

R1xR2
_______
R1+R2

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8
Q

What formula do you use to find watts or volt-amps?

A

P=I(amps) xE(volts)

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9
Q

What formula do you use to find volts in a series circuit?

A

ET=E1+E2+E3+….

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10
Q

What formula do you use to find amps in a series circuit?

A

IT=I1=I2=I3=…..

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11
Q

What formula do you use to find resistance in a series circuit?

A

RT= R1+R2+R3….

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Hvac (18 decks)

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