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science
physics/electricity - formulas
Question | Answer |
---|---|
Formula for voltage | I x R (Current x resistance) |
Formula for current | V ÷ R (Voltage ÷ resistance) |
Formula for resistance | V ÷ I (Voltage ÷ current) |
Calculate the voltage in a series circuit (formula) | V1 + V2 |
Calculate the voltage in a parallel circuit (formula) | V1 = V2 |
Calculate the current in a series circuit (formula) | I1 = I2 |
Calculate the current in a parallel circuit (formula) | I1 + I2 |