Electricity Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Current formula (with charge)

A

Current = Charge / Time

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2
Q

Voltage formula (with charge)

A

Voltage = Energy transferred / Charge

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3
Q

Voltage formula

A

Voltage = Current x Resistance

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4
Q

Power formula (with voltage)

A

P = IV (Poison ivy)
Power = Current x Voltage

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5
Q

Power formula (with resistance)

A

Power = Current^2 x Resistance

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6
Q

Energy transferred formula

A

Energy transferred = power x time
(please note that power can be replaced by current x voltage)

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7
Q

Total resistance in series circuit formula

A

Total resistance in series = R1 + R2

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8
Q

Total resistance in parallel circuit formula

A

1 / R1 + 1 / R2 = 1 / R(total)

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9
Q

Transformers formula

A

Voltage in primary coil / Voltage in secondary coil

Number of turns in primary coil / number of turns in secondary coil

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10
Q

Transformers formula power

A

Power of primary coil = Power of secondary coil

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